/* PR optimization/8634 */
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/* PR optimization/8634 */
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/* Contributed by Glen Nakamura <glen at imodulo dot com> */
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/* Contributed by Glen Nakamura <glen at imodulo dot com> */
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extern void abort (void);
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extern void abort (void);
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struct foo {
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struct foo {
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char a, b, c, d, e, f, g, h, i, j;
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char a, b, c, d, e, f, g, h, i, j;
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};
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};
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int test1 ()
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int test1 ()
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{
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{
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const char X[8] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H' };
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const char X[8] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H' };
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char buffer[8];
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char buffer[8];
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__builtin_memcpy (buffer, X, 8);
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__builtin_memcpy (buffer, X, 8);
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if (buffer[0] != 'A' || buffer[1] != 'B'
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if (buffer[0] != 'A' || buffer[1] != 'B'
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|| buffer[2] != 'C' || buffer[3] != 'D'
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|| buffer[2] != 'C' || buffer[3] != 'D'
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|| buffer[4] != 'E' || buffer[5] != 'F'
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|| buffer[4] != 'E' || buffer[5] != 'F'
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|| buffer[6] != 'G' || buffer[7] != 'H')
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|| buffer[6] != 'G' || buffer[7] != 'H')
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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int test2 ()
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int test2 ()
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{
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{
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const char X[10] = { 'A', 'B', 'C', 'D', 'E' };
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const char X[10] = { 'A', 'B', 'C', 'D', 'E' };
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char buffer[10];
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char buffer[10];
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__builtin_memcpy (buffer, X, 10);
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__builtin_memcpy (buffer, X, 10);
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if (buffer[0] != 'A' || buffer[1] != 'B'
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if (buffer[0] != 'A' || buffer[1] != 'B'
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|| buffer[2] != 'C' || buffer[3] != 'D'
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|| buffer[2] != 'C' || buffer[3] != 'D'
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|| buffer[4] != 'E' || buffer[5] != '\0'
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|| buffer[4] != 'E' || buffer[5] != '\0'
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|| buffer[6] != '\0' || buffer[7] != '\0'
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|| buffer[6] != '\0' || buffer[7] != '\0'
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|| buffer[8] != '\0' || buffer[9] != '\0')
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|| buffer[8] != '\0' || buffer[9] != '\0')
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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int test3 ()
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int test3 ()
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{
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{
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const struct foo X = { a : 'A', c : 'C', e : 'E', g : 'G', i : 'I' };
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const struct foo X = { a : 'A', c : 'C', e : 'E', g : 'G', i : 'I' };
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char buffer[10];
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char buffer[10];
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__builtin_memcpy (buffer, &X, 10);
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__builtin_memcpy (buffer, &X, 10);
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if (buffer[0] != 'A' || buffer[1] != '\0'
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if (buffer[0] != 'A' || buffer[1] != '\0'
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|| buffer[2] != 'C' || buffer[3] != '\0'
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|| buffer[2] != 'C' || buffer[3] != '\0'
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|| buffer[4] != 'E' || buffer[5] != '\0'
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|| buffer[4] != 'E' || buffer[5] != '\0'
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|| buffer[6] != 'G' || buffer[7] != '\0'
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|| buffer[6] != 'G' || buffer[7] != '\0'
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|| buffer[8] != 'I' || buffer[9] != '\0')
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|| buffer[8] != 'I' || buffer[9] != '\0')
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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int test4 ()
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int test4 ()
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{
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{
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const struct foo X = { .b = 'B', .d = 'D', .f = 'F', .h = 'H' , .j = 'J' };
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const struct foo X = { .b = 'B', .d = 'D', .f = 'F', .h = 'H' , .j = 'J' };
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char buffer[10];
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char buffer[10];
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__builtin_memcpy (buffer, &X, 10);
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__builtin_memcpy (buffer, &X, 10);
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if (buffer[0] != '\0' || buffer[1] != 'B'
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if (buffer[0] != '\0' || buffer[1] != 'B'
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|| buffer[2] != '\0' || buffer[3] != 'D'
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|| buffer[2] != '\0' || buffer[3] != 'D'
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|| buffer[4] != '\0' || buffer[5] != 'F'
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|| buffer[4] != '\0' || buffer[5] != 'F'
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|| buffer[6] != '\0' || buffer[7] != 'H'
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|| buffer[6] != '\0' || buffer[7] != 'H'
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|| buffer[8] != '\0' || buffer[9] != 'J')
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|| buffer[8] != '\0' || buffer[9] != 'J')
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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int main ()
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int main ()
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{
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{
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test1 (); test2 (); test3 (); test4 ();
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test1 (); test2 (); test3 (); test4 ();
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return 0;
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return 0;
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}
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}
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