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/* PR optimization/11210 */
/* Originator: Guido Classen <guido@clagi.de> */
/* Reduced testcase by Falk Hueffner <falk@debian.org> */
/* { dg-do compile } */
/* { dg-options "-O" } */
 
/* Verify that the constant expressions folder doesn't
   throw away the cast operation in the comparison.  */
 
struct str {
  int head;
  signed char data[8];
};
 
int foo(struct str t)
{
  return t.data[0] || (unsigned char) t.data[2] != 130; /* { dg-bogus "comparison is always 1" } */
}

Line No.	Rev	Author	Line
1	689	jeremybenn	`/* PR optimization/11210 */`
2			`/* Originator: Guido Classen <guido@clagi.de> */`
3			`/* Reduced testcase by Falk Hueffner <falk@debian.org> */`
4			`/* { dg-do compile } */`
5			`/* { dg-options "-O" } */`
6
7			`/* Verify that the constant expressions folder doesn't`
8			`throw away the cast operation in the comparison. */`
9
10			`struct str {`
11			`int head;`
12			`signed char data[8];`
13			`};`
14
15			`int foo(struct str t)`
16			`{`
17			`return t.data[0] \|\| (unsigned char) t.data[2] != 130; /* { dg-bogus "comparison is always 1" } */`
18			`}`

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [20030626-1.c] - Blame information for rev 701