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-rw-r--r--test/FrontendC++/2007-05-16-ReverseBitFieldCrash.cpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/test/FrontendC++/2007-05-16-ReverseBitFieldCrash.cpp b/test/FrontendC++/2007-05-16-ReverseBitFieldCrash.cpp
new file mode 100644
index 000000000000..8392c0b94a52
--- /dev/null
+++ b/test/FrontendC++/2007-05-16-ReverseBitFieldCrash.cpp
@@ -0,0 +1,24 @@
+// RUN: %llvmgxx %s -emit-llvm -S -o -
+
+#pragma reverse_bitfields on
+typedef unsigned long UINT32;
+
+extern void abort(void);
+
+typedef struct TestStruct
+{
+ long first: 15,
+ second: 17;
+} TestStruct;
+
+int main (int argc, char * const argv[]) {
+
+ TestStruct testStruct = {1, 0};
+
+ UINT32 dw = *(UINT32 *)(&testStruct);
+
+ if(!(dw & 0xFFFF))
+ abort ();
+
+ return 0;
+}