7b8442983d
gcc/testsuite: * c-torture/execute/bcp-1.c: Replace abort in arg of __builtin_constant_p with a generic external function. * gcc.dg/20000108-1.c, gcc.dg/980211-1.c, gcc.dg/980414-1.c, gcc.dg/990119-1.c, gcc.dg/990409.c, gcc.dg/990424-1.c, gcc.dg/991230-1.c, gcc.dg/clobbers.c, gcc.dg/lineno.c, gcc.dg/noreturn-1.c, gcc.dg/trigraphs.c, gcc.dg/uninit-4.c: Prototype abort and/or exit. * gcc.dg/990407-1.c, gcc.dg/strpaste.c, gcc.dg/special/alias-1.c, gcc.dg/special/gcsec-1.c, gcc.dg/special/weak-1.c, gcc.dg/special/weak-2.c, gcc.dg/special/wkali-1.c, gcc.dg/special/wkali-2.c: Include stdlib.h. libio/tests: * tfformat.c: Include stdlib.h. From-SVN: r34110
53 lines
882 B
C
53 lines
882 B
C
/* Spurious uninit variable warnings, case 4.
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Simplified version of cppexp.c (cpp_parse_expr).
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This one is really fragile, it gets it right if you take out case
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1, or if the structure is replaced by an int, or if the structure
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has fewer members (!) */
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/* { dg-do compile } */
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/* { dg-options "-O -Wuninitialized" } */
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extern void abort (void);
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struct operation {
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short op;
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char rprio;
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char flags;
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char unsignedp;
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long value;
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};
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extern struct operation cpp_lex (void);
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void
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cpp_parse_expr (void)
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{
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int rprio; /* { dg-bogus "rprio" "uninitialized variable warning" { xfail *-*-* } } */
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struct operation op;
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for (;;)
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{
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op = cpp_lex ();
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switch (op.op)
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{
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case 0:
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break;
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case 1:
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return;
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case 2:
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rprio = 1;
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break;
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default:
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return;
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}
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if (op.op == 0)
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return;
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if (rprio != 1)
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abort();
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}
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}
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