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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [cpp/] [Wsignprom.c] - Rev 149

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/* { dg-do preprocess } */
/* { dg-options "-Wall" } */
 
/* Test that -Wall emits the warnings about integer promotion changing
   the sign of an operand.  */
 
#if -1 > 0U  /* { dg-warning "changes sign when promoted" } */
#endif
 
#if 0U + -1  /* { dg-warning "changes sign when promoted" } */
#endif
 
#if 0U * -1  /* { dg-warning "changes sign when promoted" } */
#endif
 
#if 1U / -2  /* { dg-warning "changes sign when promoted" } */
#endif
 
#if -1 % 1U  /* { dg-warning "changes sign when promoted" } */
#endif
 
#if 1 ? 0U : -1  /* { dg-warning "changes sign when promoted" } */
#endif
 
#if 1 ? -1 : 0U  /* { dg-warning "changes sign when promoted" } */
#endif
 

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