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cmd/compile: allow conversion from slice to array ptr
Panic if the slice is too short. Updates #395 Change-Id: I90f4bff2da5d8f3148ba06d2482084f32b25c29a Reviewed-on: https://go-review.googlesource.com/c/go/+/301650 Trust: Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Josh Bleecher Snyder
parent
1c268431f4
commit
faa4fa1a6e
33 changed files with 380 additions and 141 deletions
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@ -29,143 +29,144 @@ func _() {
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_ = x[OSTR2BYTES-18]
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_ = x[OSTR2BYTESTMP-19]
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_ = x[OSTR2RUNES-20]
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_ = x[OAS-21]
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_ = x[OAS2-22]
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_ = x[OAS2DOTTYPE-23]
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_ = x[OAS2FUNC-24]
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_ = x[OAS2MAPR-25]
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_ = x[OAS2RECV-26]
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_ = x[OASOP-27]
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_ = x[OCALL-28]
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_ = x[OCALLFUNC-29]
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_ = x[OCALLMETH-30]
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_ = x[OCALLINTER-31]
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_ = x[OCALLPART-32]
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_ = x[OCAP-33]
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_ = x[OCLOSE-34]
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_ = x[OCLOSURE-35]
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_ = x[OCOMPLIT-36]
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_ = x[OMAPLIT-37]
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_ = x[OSTRUCTLIT-38]
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_ = x[OARRAYLIT-39]
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_ = x[OSLICELIT-40]
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_ = x[OPTRLIT-41]
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_ = x[OCONV-42]
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_ = x[OCONVIFACE-43]
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_ = x[OCONVNOP-44]
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_ = x[OCOPY-45]
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_ = x[ODCL-46]
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_ = x[ODCLFUNC-47]
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_ = x[ODCLCONST-48]
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_ = x[ODCLTYPE-49]
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_ = x[ODELETE-50]
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_ = x[ODOT-51]
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_ = x[ODOTPTR-52]
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_ = x[ODOTMETH-53]
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_ = x[ODOTINTER-54]
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_ = x[OXDOT-55]
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_ = x[ODOTTYPE-56]
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_ = x[ODOTTYPE2-57]
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_ = x[OEQ-58]
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_ = x[ONE-59]
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_ = x[OLT-60]
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_ = x[OLE-61]
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_ = x[OGE-62]
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_ = x[OGT-63]
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_ = x[ODEREF-64]
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_ = x[OINDEX-65]
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_ = x[OINDEXMAP-66]
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_ = x[OKEY-67]
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_ = x[OSTRUCTKEY-68]
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_ = x[OLEN-69]
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_ = x[OMAKE-70]
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_ = x[OMAKECHAN-71]
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_ = x[OMAKEMAP-72]
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_ = x[OMAKESLICE-73]
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_ = x[OMAKESLICECOPY-74]
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_ = x[OMUL-75]
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_ = x[ODIV-76]
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_ = x[OMOD-77]
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_ = x[OLSH-78]
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_ = x[ORSH-79]
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_ = x[OAND-80]
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_ = x[OANDNOT-81]
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_ = x[ONEW-82]
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_ = x[ONOT-83]
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_ = x[OBITNOT-84]
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_ = x[OPLUS-85]
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_ = x[ONEG-86]
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_ = x[OOROR-87]
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_ = x[OPANIC-88]
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_ = x[OPRINT-89]
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_ = x[OPRINTN-90]
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_ = x[OPAREN-91]
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_ = x[OSEND-92]
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_ = x[OSLICE-93]
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_ = x[OSLICEARR-94]
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_ = x[OSLICESTR-95]
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_ = x[OSLICE3-96]
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_ = x[OSLICE3ARR-97]
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_ = x[OSLICEHEADER-98]
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_ = x[ORECOVER-99]
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_ = x[ORECV-100]
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_ = x[ORUNESTR-101]
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_ = x[OSELRECV2-102]
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_ = x[OIOTA-103]
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_ = x[OREAL-104]
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_ = x[OIMAG-105]
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_ = x[OCOMPLEX-106]
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_ = x[OALIGNOF-107]
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_ = x[OOFFSETOF-108]
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_ = x[OSIZEOF-109]
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_ = x[OMETHEXPR-110]
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_ = x[OSTMTEXPR-111]
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_ = x[OBLOCK-112]
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_ = x[OBREAK-113]
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_ = x[OCASE-114]
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_ = x[OCONTINUE-115]
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_ = x[ODEFER-116]
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_ = x[OFALL-117]
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_ = x[OFOR-118]
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_ = x[OFORUNTIL-119]
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_ = x[OGOTO-120]
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_ = x[OIF-121]
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_ = x[OLABEL-122]
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_ = x[OGO-123]
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_ = x[ORANGE-124]
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_ = x[ORETURN-125]
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_ = x[OSELECT-126]
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_ = x[OSWITCH-127]
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_ = x[OTYPESW-128]
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_ = x[OFUNCINST-129]
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_ = x[OTCHAN-130]
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_ = x[OTMAP-131]
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_ = x[OTSTRUCT-132]
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_ = x[OTINTER-133]
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_ = x[OTFUNC-134]
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_ = x[OTARRAY-135]
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_ = x[OTSLICE-136]
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_ = x[OINLCALL-137]
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_ = x[OEFACE-138]
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_ = x[OITAB-139]
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_ = x[OIDATA-140]
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_ = x[OSPTR-141]
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_ = x[OCFUNC-142]
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_ = x[OCHECKNIL-143]
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_ = x[OVARDEF-144]
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_ = x[OVARKILL-145]
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_ = x[OVARLIVE-146]
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_ = x[ORESULT-147]
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_ = x[OINLMARK-148]
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_ = x[OLINKSYMOFFSET-149]
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_ = x[OTAILCALL-150]
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_ = x[OGETG-151]
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_ = x[OEND-152]
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_ = x[OSLICE2ARRPTR-21]
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_ = x[OAS-22]
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_ = x[OAS2-23]
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_ = x[OAS2DOTTYPE-24]
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_ = x[OAS2FUNC-25]
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_ = x[OAS2MAPR-26]
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_ = x[OAS2RECV-27]
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_ = x[OASOP-28]
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_ = x[OCALL-29]
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_ = x[OCALLFUNC-30]
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_ = x[OCALLMETH-31]
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_ = x[OCALLINTER-32]
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_ = x[OCALLPART-33]
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_ = x[OCAP-34]
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_ = x[OCLOSE-35]
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_ = x[OCLOSURE-36]
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_ = x[OCOMPLIT-37]
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_ = x[OMAPLIT-38]
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_ = x[OSTRUCTLIT-39]
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_ = x[OARRAYLIT-40]
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_ = x[OSLICELIT-41]
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_ = x[OPTRLIT-42]
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_ = x[OCONV-43]
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_ = x[OCONVIFACE-44]
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_ = x[OCONVNOP-45]
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_ = x[OCOPY-46]
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_ = x[ODCL-47]
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_ = x[ODCLFUNC-48]
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_ = x[ODCLCONST-49]
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_ = x[ODCLTYPE-50]
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_ = x[ODELETE-51]
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_ = x[ODOT-52]
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_ = x[ODOTPTR-53]
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_ = x[ODOTMETH-54]
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_ = x[ODOTINTER-55]
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_ = x[OXDOT-56]
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_ = x[ODOTTYPE-57]
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_ = x[ODOTTYPE2-58]
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_ = x[OEQ-59]
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_ = x[ONE-60]
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_ = x[OLT-61]
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_ = x[OLE-62]
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_ = x[OGE-63]
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_ = x[OGT-64]
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_ = x[ODEREF-65]
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_ = x[OINDEX-66]
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_ = x[OINDEXMAP-67]
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_ = x[OKEY-68]
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_ = x[OSTRUCTKEY-69]
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_ = x[OLEN-70]
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_ = x[OMAKE-71]
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_ = x[OMAKECHAN-72]
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_ = x[OMAKEMAP-73]
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_ = x[OMAKESLICE-74]
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_ = x[OMAKESLICECOPY-75]
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_ = x[OMUL-76]
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_ = x[ODIV-77]
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_ = x[OMOD-78]
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_ = x[OLSH-79]
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_ = x[ORSH-80]
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_ = x[OAND-81]
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_ = x[OANDNOT-82]
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_ = x[ONEW-83]
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_ = x[ONOT-84]
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_ = x[OBITNOT-85]
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_ = x[OPLUS-86]
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_ = x[ONEG-87]
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_ = x[OOROR-88]
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_ = x[OPANIC-89]
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_ = x[OPRINT-90]
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_ = x[OPRINTN-91]
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_ = x[OPAREN-92]
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_ = x[OSEND-93]
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_ = x[OSLICE-94]
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_ = x[OSLICEARR-95]
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_ = x[OSLICESTR-96]
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_ = x[OSLICE3-97]
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_ = x[OSLICE3ARR-98]
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_ = x[OSLICEHEADER-99]
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_ = x[ORECOVER-100]
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_ = x[ORECV-101]
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_ = x[ORUNESTR-102]
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_ = x[OSELRECV2-103]
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_ = x[OIOTA-104]
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_ = x[OREAL-105]
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_ = x[OIMAG-106]
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_ = x[OCOMPLEX-107]
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_ = x[OALIGNOF-108]
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_ = x[OOFFSETOF-109]
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_ = x[OSIZEOF-110]
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_ = x[OMETHEXPR-111]
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_ = x[OSTMTEXPR-112]
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_ = x[OBLOCK-113]
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_ = x[OBREAK-114]
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_ = x[OCASE-115]
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_ = x[OCONTINUE-116]
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_ = x[ODEFER-117]
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_ = x[OFALL-118]
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_ = x[OFOR-119]
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_ = x[OFORUNTIL-120]
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_ = x[OGOTO-121]
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_ = x[OIF-122]
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_ = x[OLABEL-123]
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_ = x[OGO-124]
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_ = x[ORANGE-125]
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_ = x[ORETURN-126]
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_ = x[OSELECT-127]
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_ = x[OSWITCH-128]
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_ = x[OTYPESW-129]
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_ = x[OFUNCINST-130]
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_ = x[OTCHAN-131]
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_ = x[OTMAP-132]
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_ = x[OTSTRUCT-133]
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_ = x[OTINTER-134]
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_ = x[OTFUNC-135]
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_ = x[OTARRAY-136]
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_ = x[OTSLICE-137]
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_ = x[OINLCALL-138]
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_ = x[OEFACE-139]
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_ = x[OITAB-140]
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_ = x[OIDATA-141]
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_ = x[OSPTR-142]
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_ = x[OCFUNC-143]
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_ = x[OCHECKNIL-144]
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_ = x[OVARDEF-145]
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_ = x[OVARKILL-146]
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_ = x[OVARLIVE-147]
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_ = x[ORESULT-148]
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_ = x[OINLMARK-149]
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_ = x[OLINKSYMOFFSET-150]
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_ = x[OTAILCALL-151]
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_ = x[OGETG-152]
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_ = x[OEND-153]
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}
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const _Op_name = "XXXNAMENONAMETYPEPACKLITERALNILADDSUBORXORADDSTRADDRANDANDAPPENDBYTES2STRBYTES2STRTMPRUNES2STRSTR2BYTESSTR2BYTESTMPSTR2RUNESASAS2AS2DOTTYPEAS2FUNCAS2MAPRAS2RECVASOPCALLCALLFUNCCALLMETHCALLINTERCALLPARTCAPCLOSECLOSURECOMPLITMAPLITSTRUCTLITARRAYLITSLICELITPTRLITCONVCONVIFACECONVNOPCOPYDCLDCLFUNCDCLCONSTDCLTYPEDELETEDOTDOTPTRDOTMETHDOTINTERXDOTDOTTYPEDOTTYPE2EQNELTLEGEGTDEREFINDEXINDEXMAPKEYSTRUCTKEYLENMAKEMAKECHANMAKEMAPMAKESLICEMAKESLICECOPYMULDIVMODLSHRSHANDANDNOTNEWNOTBITNOTPLUSNEGORORPANICPRINTPRINTNPARENSENDSLICESLICEARRSLICESTRSLICE3SLICE3ARRSLICEHEADERRECOVERRECVRUNESTRSELRECV2IOTAREALIMAGCOMPLEXALIGNOFOFFSETOFSIZEOFMETHEXPRSTMTEXPRBLOCKBREAKCASECONTINUEDEFERFALLFORFORUNTILGOTOIFLABELGORANGERETURNSELECTSWITCHTYPESWFUNCINSTTCHANTMAPTSTRUCTTINTERTFUNCTARRAYTSLICEINLCALLEFACEITABIDATASPTRCFUNCCHECKNILVARDEFVARKILLVARLIVERESULTINLMARKLINKSYMOFFSETTAILCALLGETGEND"
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const _Op_name = "XXXNAMENONAMETYPEPACKLITERALNILADDSUBORXORADDSTRADDRANDANDAPPENDBYTES2STRBYTES2STRTMPRUNES2STRSTR2BYTESSTR2BYTESTMPSTR2RUNESSLICE2ARRPTRASAS2AS2DOTTYPEAS2FUNCAS2MAPRAS2RECVASOPCALLCALLFUNCCALLMETHCALLINTERCALLPARTCAPCLOSECLOSURECOMPLITMAPLITSTRUCTLITARRAYLITSLICELITPTRLITCONVCONVIFACECONVNOPCOPYDCLDCLFUNCDCLCONSTDCLTYPEDELETEDOTDOTPTRDOTMETHDOTINTERXDOTDOTTYPEDOTTYPE2EQNELTLEGEGTDEREFINDEXINDEXMAPKEYSTRUCTKEYLENMAKEMAKECHANMAKEMAPMAKESLICEMAKESLICECOPYMULDIVMODLSHRSHANDANDNOTNEWNOTBITNOTPLUSNEGORORPANICPRINTPRINTNPARENSENDSLICESLICEARRSLICESTRSLICE3SLICE3ARRSLICEHEADERRECOVERRECVRUNESTRSELRECV2IOTAREALIMAGCOMPLEXALIGNOFOFFSETOFSIZEOFMETHEXPRSTMTEXPRBLOCKBREAKCASECONTINUEDEFERFALLFORFORUNTILGOTOIFLABELGORANGERETURNSELECTSWITCHTYPESWFUNCINSTTCHANTMAPTSTRUCTTINTERTFUNCTARRAYTSLICEINLCALLEFACEITABIDATASPTRCFUNCCHECKNILVARDEFVARKILLVARLIVERESULTINLMARKLINKSYMOFFSETTAILCALLGETGEND"
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var _Op_index = [...]uint16{0, 3, 7, 13, 17, 21, 28, 31, 34, 37, 39, 42, 48, 52, 58, 64, 73, 85, 94, 103, 115, 124, 126, 129, 139, 146, 153, 160, 164, 168, 176, 184, 193, 201, 204, 209, 216, 223, 229, 238, 246, 254, 260, 264, 273, 280, 284, 287, 294, 302, 309, 315, 318, 324, 331, 339, 343, 350, 358, 360, 362, 364, 366, 368, 370, 375, 380, 388, 391, 400, 403, 407, 415, 422, 431, 444, 447, 450, 453, 456, 459, 462, 468, 471, 474, 480, 484, 487, 491, 496, 501, 507, 512, 516, 521, 529, 537, 543, 552, 563, 570, 574, 581, 589, 593, 597, 601, 608, 615, 623, 629, 637, 645, 650, 655, 659, 667, 672, 676, 679, 687, 691, 693, 698, 700, 705, 711, 717, 723, 729, 737, 742, 746, 753, 759, 764, 770, 776, 783, 788, 792, 797, 801, 806, 814, 820, 827, 834, 840, 847, 860, 868, 872, 875}
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var _Op_index = [...]uint16{0, 3, 7, 13, 17, 21, 28, 31, 34, 37, 39, 42, 48, 52, 58, 64, 73, 85, 94, 103, 115, 124, 136, 138, 141, 151, 158, 165, 172, 176, 180, 188, 196, 205, 213, 216, 221, 228, 235, 241, 250, 258, 266, 272, 276, 285, 292, 296, 299, 306, 314, 321, 327, 330, 336, 343, 351, 355, 362, 370, 372, 374, 376, 378, 380, 382, 387, 392, 400, 403, 412, 415, 419, 427, 434, 443, 456, 459, 462, 465, 468, 471, 474, 480, 483, 486, 492, 496, 499, 503, 508, 513, 519, 524, 528, 533, 541, 549, 555, 564, 575, 582, 586, 593, 601, 605, 609, 613, 620, 627, 635, 641, 649, 657, 662, 667, 671, 679, 684, 688, 691, 699, 703, 705, 710, 712, 717, 723, 729, 735, 741, 749, 754, 758, 765, 771, 776, 782, 788, 795, 800, 804, 809, 813, 818, 826, 832, 839, 846, 852, 859, 872, 880, 884, 887}
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func (i Op) String() string {
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if i >= Op(len(_Op_index)-1) {
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