25 lines
678 B
C
25 lines
678 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main ()
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{
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char *foo;
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__mf_set_options ("-check-initialization");
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foo = (char *)malloc (1);
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/* These two operations each expand to a read-modify-write.
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* Even though the end result is that every bit of foo[0] is
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* eventually written to deterministically, the first read
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* triggers an uninit error. Ideally, it shouldn't, so this
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* should be treated more like a regular XFAIL. */
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foo[0] &= 0xfe;
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foo[0] |= 0x01;
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return foo[0];
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}
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/* { dg-output "mudflap violation 1.*" } */
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/* { dg-output "Nearby object.*" } */
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/* { dg-output "mudflap object.*malloc region.*1r/0w.*" } */
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/* { dg-do run { xfail *-*-* } } */
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