[llvm] r266360 - Fix null pointer access for discriminator assignment.

[Dehao Chen via llvm-commits]

Author: dehao
Date: Thu Apr 14 14:46:38 2016
New Revision: 266360

URL: http://llvm.org/viewvc/llvm-project?rev=266360&view=rev
Log:
Fix null pointer access for discriminator assignment.

Summary: This fixes the buildbot failure.

Reviewers: dnovillo, davidxl

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D19129

Modified:
    llvm/trunk/lib/Transforms/Utils/AddDiscriminators.cpp

Modified: llvm/trunk/lib/Transforms/Utils/AddDiscriminators.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/AddDiscriminators.cpp?rev=266360&r1=266359&r2=266360&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/AddDiscriminators.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/AddDiscriminators.cpp Thu Apr 14 14:46:38 2016
@@ -222,6 +222,8 @@ bool AddDiscriminators::runOnFunction(Fu
         continue;
 
       DILocation *CurrentDIL = Current->getDebugLoc();
+      if (!CurrentDIL)
+        continue;
       Location L =
           std::make_pair(CurrentDIL->getFilename(), CurrentDIL->getLine());
       if (!CallLocations.insert(L).second) {