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runtime: Tweak runtime.Callers for Go 1 compatibility.

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From-SVN: r187781
This commit is contained in:
Ian Lance Taylor 2012-05-22 21:52:56 +00:00
parent 19460426c3
commit 4579805199
1 changed files with 4 additions and 1 deletions
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5
libgo/runtime/go-callers.c
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@ -72,5 +72,8 @@ int Callers (int, struct __go_open_array)
int
Callers (int skip, struct __go_open_array pc)
{
return runtime_callers (skip, (uintptr *) pc.__values, pc.__count);
/* In the Go 1 release runtime.Callers has an off-by-one error,
which we can not correct because it would break backward
compatibility. Adjust SKIP here to be compatible. */
return runtime_callers (skip - 1, (uintptr *) pc.__values, pc.__count);
}