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Revert "cmd/compile/internal: merge stack slots for selected local auto vars"

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This reverts CL 553055.

Reason for revert: causes crypto/ecdsa failures on linux ppc64/s390x builders

Change-Id: I9266b030693a5b6b1e667a009de89d613755b048
Reviewed-on: https://go-review.googlesource.com/c/go/+/575236
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Cuong Manh Le 2024-03-29 23:44:59 +00:00 • committed by Gopher Robot
parent 89f7805c2e
commit 0bf6071066
14 changed files with 222 additions and 1512 deletions
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4
src/cmd/compile/internal/base/debug.go
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@ -41,10 +41,6 @@ type DebugFlags struct {
LoopVarHash string `help:"for debugging changes in loop behavior. Overrides experiment and loopvar flag."`
LocationLists int `help:"print information about DWARF location list creation"`
MaxShapeLen int `help:"hash shape names longer than this threshold (default 500)" concurrent:"ok"`
MergeLocals int `help:"merge together non-interfering local stack slots" concurrent:"ok"`
MergeLocalsDumpFunc string `help:"dump specified func in merge locals"`
MergeLocalsHash string `help:"hash value for debugging stack slot merging of local variables" concurrent:"ok"`
MergeLocalsTrace int `help:"trace debug output for locals merging"`
Nil int `help:"print information about nil checks"`
NoOpenDefer int `help:"disable open-coded defers" concurrent:"ok"`
NoRefName int `help:"do not include referenced symbol names in object file" concurrent:"ok"`