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cmd/compile: fix lineno restoration after SSA compilation

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Without SSA:

$ go build -a -gcflags='-S -ssa=0' runtime 2>&1 | grep 'TEXT.*""\.init(SB)'
        0x0000 00000 ($GOROOT/src/runtime/write_err.go:14)        TEXT    "".init(SB), $88-0

With SSA, before this CL:

$ go build -a -gcflags='-S -ssa=1' runtime 2>&1 | grep 'TEXT.*""\.init(SB)'
        0x0000 00000 ($GOROOT/src/runtime/traceback.go:608)       TEXT    "".init(SB), $152-0

With SSA, after this CL:

$ go build -a -gcflags='-S -ssa=1' runtime 2>&1 | grep 'TEXT.*""\.init(SB)'
        0x0000 00000 ($GOROOT/src/runtime/write_err.go:14)        TEXT    "".init(SB), $152-0

Change-Id: Ida3541e03a1af6ffc753ee5c3abeb653459edbf6
Reviewed-on: https://go-review.googlesource.com/20321
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Matthew Dempsky 2016-03-07 10:12:19 -08:00
parent aea4222f67
commit beabd872f4
1 changed files with 1 additions and 4 deletions
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5
src/cmd/compile/internal/gc/pgen.go
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@ -484,11 +484,8 @@ func compile(fn *Node) {
if ssafn != nil { if ssafn != nil {
genssa(ssafn, ptxt, gcargs, gclocals) genssa(ssafn, ptxt, gcargs, gclocals)
if Curfn.Func.Endlineno != 0 {
lineno = Curfn.Func.Endlineno
}
ssafn.Free() ssafn.Free()
return goto ret
} }
Genlist(Curfn.Func.Enter) Genlist(Curfn.Func.Enter)
Genlist(Curfn.Nbody) Genlist(Curfn.Nbody)