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authorStuart Hastings <stuart@apple.com>2009-07-01 15:40:10 +0000
committerStuart Hastings <stuart@apple.com>2009-07-01 15:40:10 +0000
commit75657ab707b53c35e86b14ec750ac0122c106192 (patch)
tree9e435116cdebf28fc885d999910b7f5d609aa970 /test/FrontendC++
parent93696a38b709361aee960fd8537973205ea8cfef (diff)
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Insure that __block_holder_tmp is allocated on the stack when a byref
variable is present. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74610 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/FrontendC++')
-rw-r--r--test/FrontendC++/2009-06-30-ByrefBlock.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/test/FrontendC++/2009-06-30-ByrefBlock.cpp b/test/FrontendC++/2009-06-30-ByrefBlock.cpp
new file mode 100644
index 0000000..6f8869c
--- /dev/null
+++ b/test/FrontendC++/2009-06-30-ByrefBlock.cpp
@@ -0,0 +1,8 @@
+// Insure __block_holder_tmp is allocated on the stack.
+// RUN: %llvmgxx %s -S -O2 -o - | egrep {__block_holder_tmp.*alloca}
+// <rdar://problem/5865221>
+extern void fubar_dispatch_sync(void (^PP)(void));
+void fubar() {
+ __block void *voodoo;
+ fubar_dispatch_sync(^(void){voodoo=0;});
+}