29 lines
578 B
C
29 lines
578 B
C
/* { dg-do compile { target { nonpic } } } */
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/* { dg-options "-O2 -fdump-tree-optimized" } */
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static int a;
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int f;
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void bar (void) __attribute__((noinline));
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void bar (void)
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{
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f = 9;
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}
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void link_error ();
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int foo()
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{
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int b, c;
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a = 5;
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b = a;
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bar ();
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b = b + a;
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if (b != 10)
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link_error ();
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return b;
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}
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/* We should have removed the link_error on the tree level as GCC can tell that
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a is not touched by the calling bar at all. */
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/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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