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tsan: explictly say when we fail to restore a stack trace 

llvm-svn: 168423
This commit is contained in:
Dmitry Vyukov 2012-11-21 11:44:20 +00:00
parent 3a3488e4e1
commit aeed45cde0
1 changed files with 4 additions and 0 deletions
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4
compiler-rt/lib/tsan/rtl/tsan_report.cc
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@ -50,6 +50,10 @@ static void PrintHeader(ReportType typ) {
} }
void PrintStack(const ReportStack *ent) { void PrintStack(const ReportStack *ent) {
if (ent == 0) {
Printf(" [failed to restore the stack]\n");
return;
}
for (int i = 0; ent; ent = ent->next, i++) { for (int i = 0; ent; ent = ent->next, i++) {
Printf(" #%d %s %s:%d", i, ent->func, ent->file, ent->line); Printf(" #%d %s %s:%d", i, ent->func, ent->file, ent->line);
if (ent->col) if (ent->col)