commit a922326c96e55d1382e9595c96285de6eead9ce0
author Ted Kremenek <kremenek@apple.com> Wed Apr 30 21:31:12 2008 +0000
committer Ted Kremenek <kremenek@apple.com> Wed Apr 30 21:31:12 2008 +0000
tree 1b1d0500864dc46bd9eaef0d5dc2b210425111c9
parent 31943062fd79f90b659856ce0f688740ca252d99

Provide SizeOfAlignTypeExpr workaround in the static analyzer for taking the sizeof of a ObjCInterfaceType.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50499 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/GRExprEngine.cpp

diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index 877bd09..7506c80 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -1432,6 +1432,12 @@
     if (!T.getTypePtr()->isConstantSizeType())
       return;
     
+    // Some code tries to take the sizeof an ObjCInterfaceType, relying that
+    // the compiler has laid out its representation.  Just report Unknown
+    // for these.
+    if (T->isObjCInterfaceType())
+      return;
+    
     amt = 1;  // Handle sizeof(void)
     
     if (T != getContext().VoidTy)