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Imported Upstream version 2.9.0
[debian/cc1111]
/
support
/
regression
/
tests
/
bug-751703.c
1
/* bug-751703.c
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Make sure extern within local scope binds to global
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scope and is not optimized inappropriately.
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*/
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#include "testfwk.h"
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int x = 1;
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int y = 2;
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int z = 0;
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static void
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addxy(void)
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{
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extern int x, y, z;
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z = x+y;
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}
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static void
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times10x(void)
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{
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unsigned char x;
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z = 0;
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for (x=0; x<10; x++)
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{
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extern int x; /* bind to the global x */
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z += x;
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}
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}
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static void
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testExternDeadCode(void)
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{
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ASSERT(z == 0);
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addxy();
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ASSERT(z == 3);
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times10x();
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ASSERT(z == 10);
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}