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| author | Chandler Carruth <chandlerc@gmail.com> | 2012-06-16 00:44:07 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2012-06-16 00:44:07 +0000 |
| commit | 29436629dad875cd99cd31cc2f8499f3623effb3 (patch) | |
| tree | e37c516efb81d511a3ff716d5a2eeb2289a9413f /lib/Support | |
| parent | 0b8b3ba21ee7c1a16ac844965dbace820b263bc0 (diff) | |
| download | llvm-29436629dad875cd99cd31cc2f8499f3623effb3.tar.gz llvm-29436629dad875cd99cd31cc2f8499f3623effb3.tar.bz2 llvm-29436629dad875cd99cd31cc2f8499f3623effb3.tar.xz | |
Don't call 'FilesToRemove[0]' when the vector is empty, even to compute
the address of it. Found by a checking STL implementation used on
a dragonegg builder. Sorry about this one. =/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158582 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support')
| -rw-r--r-- | lib/Support/Unix/Signals.inc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Support/Unix/Signals.inc b/lib/Support/Unix/Signals.inc index b2e5fd8b0a..519511685d 100644 --- a/lib/Support/Unix/Signals.inc +++ b/lib/Support/Unix/Signals.inc @@ -189,7 +189,7 @@ void llvm::sys::SetInterruptFunction(void (*IF)()) { bool llvm::sys::RemoveFileOnSignal(const sys::Path &Filename, std::string* ErrMsg) { SignalsMutex.acquire(); - std::string *OldPtr = &FilesToRemove[0]; + std::string *OldPtr = FilesToRemove.empty() ? 0 : &FilesToRemove[0]; FilesToRemove.push_back(Filename.str()); // We want to call 'c_str()' on every std::string in this vector so that if |