r338775 - [analyzer] Add a safety check to InnerPointerChecker.

[Reka Kovacs via cfe-commits]

Author: rkovacs
Date: Thu Aug  2 15:19:57 2018
New Revision: 338775

URL: http://llvm.org/viewvc/llvm-project?rev=338775&view=rev
Log:
[analyzer] Add a safety check to InnerPointerChecker.

Do not crash if the CXXRecordDecl of an object is not available.

Modified:
    cfe/trunk/lib/StaticAnalyzer/Checkers/InnerPointerChecker.cpp

Modified: cfe/trunk/lib/StaticAnalyzer/Checkers/InnerPointerChecker.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Checkers/InnerPointerChecker.cpp?rev=338775&r1=338774&r2=338775&view=diff
==============================================================================
--- cfe/trunk/lib/StaticAnalyzer/Checkers/InnerPointerChecker.cpp (original)
+++ cfe/trunk/lib/StaticAnalyzer/Checkers/InnerPointerChecker.cpp Thu Aug  2 15:19:57 2018
@@ -129,8 +129,11 @@ bool InnerPointerChecker::isCalledOnStri
     return false;
 
   QualType ObjTy = ObjRegion->getValueType();
-  if (ObjTy.isNull() ||
-      ObjTy->getAsCXXRecordDecl()->getName() != "basic_string")
+  if (ObjTy.isNull())
+    return false;
+
+  CXXRecordDecl *Decl = ObjTy->getAsCXXRecordDecl();
+  if (!Decl || Decl->getName() != "basic_string")
     return false;
 
   return true;