[PATCH] D27420: Fix stack-use-after-scope in EvaluateImplicitExceptionSpec

[Vitaly Buka via Phabricator via cfe-commits]

vitalybuka created this revision.
vitalybuka added a reviewer: rsmith.
vitalybuka added subscribers: cfe-commits, aizatsky.

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


https://reviews.llvm.org/D27420

Files:
  lib/Sema/SemaDeclCXX.cpp


Index: lib/Sema/SemaDeclCXX.cpp
===================================================================
--- lib/Sema/SemaDeclCXX.cpp
+++ lib/Sema/SemaDeclCXX.cpp
@@ -6100,7 +6100,8 @@
     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);



Index: lib/Sema/SemaDeclCXX.cpp
===================================================================
--- lib/Sema/SemaDeclCXX.cpp
+++ lib/Sema/SemaDeclCXX.cpp
@@ -6100,7 +6100,8 @@
     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);

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