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Testcase for 6522054.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63067 91177308-0d34-0410-b5e6-96231b3b80d8
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Dale Johannesen 2009-01-26 23:22:19 +00:00
parent 9de57a9ed2
commit 8bca3b7664
1 changed files with 14 additions and 0 deletions
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test/FrontendObjC/2009-01-26-WriteBarrier-2.m Normal file
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// RUN: %llvmgcc -x objective-c -S %s -fobjc-gc -o - | grep objc_assign_strongCast
// rdar://5541393
typedef struct {
void (^ivarBlock)(void);
} StructWithBlock_t;
int main(char *argc, char *argv[]) {
StructWithBlock_t *swbp = (StructWithBlock_t *)malloc(sizeof(StructWithBlock_t*));
__block int i = 10;
// assigning a Block into an struct slot should elicit a write-barrier under GC
swbp->ivarBlock = ^ { ++i; };
return 0;
}