r288685 - Fix stack-use-after-scope in EvaluateImplicitExceptionSpec

[Vitaly Buka via cfe-commits]

Author: vitalybuka
Date: Mon Dec  5 12:30:22 2016
New Revision: 288685

URL: http://llvm.org/viewvc/llvm-project?rev=288685&view=rev
Log:
Fix stack-use-after-scope in EvaluateImplicitExceptionSpec

Summary:
getExceptionSpec returns structure with pointers to temporarily object created
by computeImplicitExceptionSpec.

Reviewers: rsmith

Subscribers: aizatsky, cfe-commits

Differential Revision: https://reviews.llvm.org/D27420

Modified:
    cfe/trunk/lib/Sema/SemaDeclCXX.cpp

Modified: cfe/trunk/lib/Sema/SemaDeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclCXX.cpp?rev=288685&r1=288684&r2=288685&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclCXX.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclCXX.cpp Mon Dec  5 12:30:22 2016
@@ -6100,7 +6100,8 @@ void Sema::EvaluateImplicitExceptionSpec
     return;
 
   // Evaluate the exception specification.
-  auto ESI = computeImplicitExceptionSpec(*this, Loc, MD).getExceptionSpec();
+  auto IES = computeImplicitExceptionSpec(*this, Loc, MD);
+  auto ESI = IES.getExceptionSpec();
 
   // Update the type of the special member to use it.
   UpdateExceptionSpec(MD, ESI);