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42 lines
576 B
C
42 lines
576 B
C
/* PR c/6677 */
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/* Verify that GCC doesn't perform illegal simplifications
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when folding constants. */
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#include <limits.h>
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extern void abort (void);
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extern void exit (int);
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int main (void)
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{
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int i;
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signed char j;
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unsigned char k;
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i = SCHAR_MAX;
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j = ((signed char) (i << 1)) / 2;
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if (j != -1)
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abort();
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j = ((signed char) (i * 2)) / 2;
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if (j != -1)
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abort();
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i = UCHAR_MAX;
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k = ((unsigned char) (i << 1)) / 2;
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if (k != UCHAR_MAX/2)
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abort();
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k = ((unsigned char) (i * 2)) / 2;
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if (k != UCHAR_MAX/2)
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abort();
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exit(0);
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}
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