commit acc5fa153d35c1340c0b22dc2b12e5c813feaabc
author Benjamin Kramer <benny.kra@googlemail.com> Sat Dec 05 22:16:51 2009 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Sat Dec 05 22:16:51 2009 +0000
tree 2c5a4aa5899819bf52bf568d116855ac0097621b
parent ec60b43ee20a48a8e2fb3280f06426758b61b017

Don't call back() on an empty vector.

llvm-svn: 90678

clang/lib/Frontend/RewriteObjC.cpp

diff --git a/clang/lib/Frontend/RewriteObjC.cpp b/clang/lib/Frontend/RewriteObjC.cpp
index fc5ec2e..08b54b2 100644
--- a/clang/lib/Frontend/RewriteObjC.cpp
+++ b/clang/lib/Frontend/RewriteObjC.cpp
@@ -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.