commit 70299928079fe7d372e0b934dfcaaae6c947f193
author Chad Rosier <mcrosier@apple.com> Wed Feb 06 00:58:34 2013 +0000
committer Chad Rosier <mcrosier@apple.com> Wed Feb 06 00:58:34 2013 +0000
tree 612ccdfb951d8e519a2e13a5dde93e9d69c73a72
parent 906ba47143e7291231cf7ea606d9a55cbba1ceb7

Use a dyn_cast to avoid a crash when the TypeLoc is not a ConstantArrayTypeLoc.
rdar://13153516

llvm-svn: 174477

clang/lib/Sema/SemaChecking.cpp

diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 8db1831..800f64c 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -5777,10 +5777,11 @@
       TInfo = TDL->getTypeSourceInfo();
       continue;
     }
-    ConstantArrayTypeLoc CTL = cast<ConstantArrayTypeLoc>(TL);
-    const Expr *SizeExpr = dyn_cast<IntegerLiteral>(CTL.getSizeExpr());
-    if (!SizeExpr || SizeExpr->getExprLoc().isMacroID())
-      return false;
+    if (const ConstantArrayTypeLoc *CTL = dyn_cast<ConstantArrayTypeLoc>(&TL)) {
+      const Expr *SizeExpr = dyn_cast<IntegerLiteral>(CTL->getSizeExpr());
+      if (!SizeExpr || SizeExpr->getExprLoc().isMacroID())
+        return false;
+    }
     break;
   }