From 2f6ba65f0219afca03ea6b9b66634a177996452b Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Thu, 17 May 2007 06:22:12 +0000 Subject: [PATCH] New test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37151 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../2007-05-16-ReverseBitFieldCrash.cpp | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 test/C++Frontend/2007-05-16-ReverseBitFieldCrash.cpp diff --git a/test/C++Frontend/2007-05-16-ReverseBitFieldCrash.cpp b/test/C++Frontend/2007-05-16-ReverseBitFieldCrash.cpp new file mode 100644 index 00000000000..8392c0b94a5 --- /dev/null +++ b/test/C++Frontend/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; +} -- 2.34.1