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authorChandler Carruth <chandlerc@gmail.com>2012-06-16 00:44:07 +0000
committerChandler Carruth <chandlerc@gmail.com>2012-06-16 00:44:07 +0000
commit52de271da1d56fe80e924bb57659de96e06246fd (patch)
treecadd4aba9804f90c801727f86f1eec1effb48ebb /llvm/lib/Support
parentf5cad928f5de24f0a2b63b121aa242f7df72765d (diff)
downloadbcm5719-llvm-52de271da1d56fe80e924bb57659de96e06246fd.tar.gz
bcm5719-llvm-52de271da1d56fe80e924bb57659de96e06246fd.zip
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. =/ llvm-svn: 158582
Diffstat (limited to 'llvm/lib/Support')
-rw-r--r--llvm/lib/Support/Unix/Signals.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Support/Unix/Signals.inc b/llvm/lib/Support/Unix/Signals.inc
index b2e5fd8b0a5..519511685dd 100644
--- a/llvm/lib/Support/Unix/Signals.inc
+++ b/llvm/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
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