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Add a test case for PR1420

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37082 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-05-15 06:52:15 +00:00
parent ce3e2bff8b
commit 8ff18f162b
1 changed files with 35 additions and 0 deletions
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35
test/C++Frontend/2007-05-15-FieldAccess.cpp Normal file
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// Test case for PR1420
// RUN: %llvmgxx %s -O0 -o %t.exe
// RUN: %t.exe > %t.out
// RUN: grep {sizeof(bitFieldStruct) == 8} %t.out
// RUN: grep {Offset bitFieldStruct.i = 0} %t.out
// RUN: grep {Offset bitFieldStruct.c2 = 7} %t.out
// XFAIL: *
#include <stdio.h>
class bitFieldStruct {
public:
int i;
unsigned char c:7;
int s:17;
char c2;
};
int main()
{
printf("sizeof(bitFieldStruct) == %d\n", sizeof(bitFieldStruct));
if (sizeof(bitFieldStruct) != 2 * sizeof(int))
printf("bitFieldStruct should be %d but is %d \n",
2 * sizeof(int), sizeof(bitFieldStruct));
bitFieldStruct x;
char* xip = (char*) &x.i;
char* xc2p = (char*) &x.c2;
printf("Offset bitFieldStruct.i = %d\n", xip - xip);
printf("Offset bitFieldStruct.c2 = %d\n", xc2p - xip);
return 0;
}