When building source location information for an _Atomic type, be sure

to fill in the source locations for the underlying value type. Fixes
an intermittent crasher (due to uninitialized data) in the PCH test
for _Atomic types.

llvm-svn: 141512

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
index 1e0c2d60c4a..154b2a83f99 100644
--- a/clang/lib/Sema/SemaType.cpp
+++ b/clang/lib/Sema/SemaType.cpp
@@ -2885,6 +2885,10 @@ namespace {
     void VisitAtomicTypeLoc(AtomicTypeLoc TL) {
       TL.setKWLoc(DS.getTypeSpecTypeLoc());
       TL.setParensRange(DS.getTypeofParensRange());
+      
+      TypeSourceInfo *TInfo = 0;
+      Sema::GetTypeFromParser(DS.getRepAsType(), &TInfo);
+      TL.getValueLoc().initializeFullCopy(TInfo->getTypeLoc());
     }
 
     void VisitTypeLoc(TypeLoc TL) {