Merging r196488:
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r196488 | rsmith | 2013-12-05 00:30:59 -0800 (Thu, 05 Dec 2013) | 4 lines

PR17983: Fix crasher bug in C++1y mode when performing a non-global array
delete on a class which has no array cookie and has no class-specific operator
new.

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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_34@196670 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 9dff0f3..6b3400a 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -6175,6 +6175,10 @@
     Context.DeclarationNames.getCXXOperatorName(OO_Delete);
     if (FindDeallocationFunction(Loc, RD, Name, OperatorDelete))
       return true;
+    // If there's no class-specific operator delete, look up the global
+    // non-array delete.
+    if (!OperatorDelete)
+      OperatorDelete = FindUsualDeallocationFunction(Loc, true, Name);
 
     MarkFunctionReferenced(Loc, OperatorDelete);