Fix a subtle bug where the cleanup scope entries had a dangling block reference

 - <rdar://problem/6732143> Crash when generating @synchronize for
   zero-cost exception

 - Thanks to Anders for helping track down the problem.

llvm-svn: 68186

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/test/CodeGen/rdr-6732143-dangling-block-reference.m b/clang/test/CodeGen/rdr-6732143-dangling-block-reference.m
new file mode 100644
index 00000000000..2d1baa62200
--- /dev/null
+++ b/clang/test/CodeGen/rdr-6732143-dangling-block-reference.m
@@ -0,0 +1,10 @@
+// RUN: clang-cc -triple x86_64-apple-darwin9 -emit-llvm %s -o -
+
+void f0(id x) {
+  @synchronized (x) {      
+    do { ; } while(0);
+    @try {
+    } @finally {
+    }
+  }
+}