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| author | Rob Pike <r@golang.org> | 2014-01-29 16:14:45 -0800 |
|---|---|---|
| committer | Rob Pike <r@golang.org> | 2014-01-29 16:14:45 -0800 |
| commit | d7bd1eb1d534c878e9e0e2202d40fa8b66a69423 (patch) | |
| tree | c4e47dd87037e199fcea281c378f9639adf9ad75 /src/cmd/8g | |
| parent | 7058930cbc7c2a4e1377e37c7573dcd8c41a96e5 (diff) | |
| download | go-d7bd1eb1d534c878e9e0e2202d40fa8b66a69423.tar.gz | |
cmd/8g: don't crash if Prog->u.branch is nil
The code is copied from cmd/6g.
Empirically, all branch targets are nil in this code so
something is still wrong, but at least this stops 8g -S
from crashing.
Update issue 7178
LGTM=dave, iant
R=iant, dave
CC=golang-codereviews
https://codereview.appspot.com/58400043
Diffstat (limited to 'src/cmd/8g')
| -rw-r--r-- | src/cmd/8g/list.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cmd/8g/list.c b/src/cmd/8g/list.c index 96954d4bb..558d9c690 100644 --- a/src/cmd/8g/list.c +++ b/src/cmd/8g/list.c @@ -107,7 +107,10 @@ Dconv(Fmt *fp) break; case D_BRANCH: - snprint(str, sizeof(str), "%d", a->u.branch->loc); + if(a->u.branch == nil) + snprint(str, sizeof(str), "<nil>"); + else + snprint(str, sizeof(str), "%d", a->u.branch->loc); break; case D_EXTERN: |