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Backported from mainline
[pf3gnuchains/gcc-fork.git]
/
gcc
/
testsuite
/
gcc.c-torture
/
execute
/
20020213-1.c
1
/* PR c/5681
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This testcase failed on IA-32 at -O0, because safe_from_p
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incorrectly assumed it is safe to first write into a.a2 b-1
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and then read the original value from it. */
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int bar (float);
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struct A {
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float a1;
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int a2;
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} a;
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int b;
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void foo (void)
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{
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a.a2 = bar (a.a1);
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a.a2 = a.a2 < b - 1 ? a.a2 : b - 1;
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if (a.a2 >= b - 1)
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abort ();
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}
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int bar (float x)
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{
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return 2241;
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}
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int main()
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{
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a.a1 = 1.0f;
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b = 3384;
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foo ();
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return 0;
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}