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[IR/Diagnostic] Assert that DebugLoc is valid before accessing.

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PR:		23380
Differential Revision:	http://reviews.llvm.org/D9464
Reviewed by:	dexonsmith

llvm-svn: 236435
This commit is contained in:
Davide Italiano 2015-05-04 18:08:35 +00:00
parent 8d8146fa73
commit e197d4fbb6
1 changed files with 1 additions and 0 deletions
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llvm/lib/IR/DiagnosticInfo.cpp
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@ -136,6 +136,7 @@ void DiagnosticInfoOptimizationBase::getLocation(StringRef *Filename,
unsigned *Line,
unsigned *Column) const {
DILocation *L = getDebugLoc();
assert(L != nullptr && "debug location is invalid");
*Filename = L->getFilename();
*Line = L->getLine();
*Column = L->getColumn();