[cfe-commits] r90678 - /cfe/trunk/lib/Frontend/RewriteObjC.cpp

[Benjamin Kramer]

Author: d0k
Date: Sat Dec  5 16:16:51 2009
New Revision: 90678

URL: http://llvm.org/viewvc/llvm-project?rev=90678&view=rev
Log:
Don't call back() on an empty vector.

Modified:
    cfe/trunk/lib/Frontend/RewriteObjC.cpp

Modified: cfe/trunk/lib/Frontend/RewriteObjC.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/RewriteObjC.cpp?rev=90678&r1=90677&r2=90678&view=diff

==============================================================================
--- cfe/trunk/lib/Frontend/RewriteObjC.cpp (original)
+++ cfe/trunk/lib/Frontend/RewriteObjC.cpp Sat Dec  5 16:16:51 2009
@@ -4591,8 +4591,7 @@
     //   for (id <FooProtocol> index in someArray) ;
     // This is because RewriteObjCForCollectionStmt() does textual rewriting 
     // and it depends on the original text locations/positions.
-    Stmt *ParentStmt = Stmts.back();
-    if (!ParentStmt || !isa<ObjCForCollectionStmt>(ParentStmt))
+    if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back()))
       RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin());
 
     // Blocks rewrite rules.