gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr12578.c


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/*  PR tree-optimization/12517  */

void trivial_regexp_p(int *s, int len)
{
    while (--len) {
	switch (*s++) {
	    case '\\':
		switch (*s++) {
		    case '|':
			;
		}
	}
    }
}