Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

cmd/compile: fix lexical scope of escaped variables

Browse source 
When a local variable is moved to the heap the declaration position
should be preserved so that later on we can assign it to the correct
DW_TAG_lexical_block.

Fixes #20959

Change-Id: I3700ef53c68ccd506d0633f11374ad88a52b2898
Reviewed-on: https://go-review.googlesource.com/47852
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Alessandro Arzilli 2017-07-09 17:03:45 +02:00 • committed by Matthew Dempsky
parent 123fd4640a
commit 6f83b75be2
2 changed files with 12 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
src/cmd/compile/internal/gc/esc.go
View file

@ -2100,6 +2100,7 @@ func moveToHeap(n *Node) {
heapaddr := temp(types.NewPtr(n.Type))
heapaddr.Sym = lookup("&" + n.Sym.Name)
heapaddr.Orig.Sym = heapaddr.Sym
heapaddr.Pos = n.Pos
// Unset AutoTemp to persist the &foo variable name through SSA to
// liveness analysis.