[PATCH] D19129: Fix null pointer access for discriminator assignment.

[Dehao Chen via llvm-commits]

danielcdh created this revision.
danielcdh added reviewers: dnovillo, davidxl.
danielcdh added a subscriber: llvm-commits.

This fixes the buildbot failure.

http://reviews.llvm.org/D19129

Files:
  lib/Transforms/Utils/AddDiscriminators.cpp

Index: lib/Transforms/Utils/AddDiscriminators.cpp
===================================================================
--- lib/Transforms/Utils/AddDiscriminators.cpp
+++ lib/Transforms/Utils/AddDiscriminators.cpp
@@ -222,6 +222,8 @@
         continue;
 
       DILocation *CurrentDIL = Current->getDebugLoc();
+      if (!CurrentDIL)
+        continue;
       Location L =
           std::make_pair(CurrentDIL->getFilename(), CurrentDIL->getLine());
       if (!CallLocations.insert(L).second) {


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