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/* Verify that constants in memory, referenced only by dead code,

   are not emitted to the object file.

   FIXME: Not presently possible to apply -pedantic to code with

   complex constants in it.  The __extension__ should shut up the

   warning but doesn't.  (Hard to fix -- the lexer is not aware of

   the parser's state.)  */

/* { dg-do compile } */

/* { dg-options "-O2 -std=c99" } */

/* { dg-final { scan-assembler-not "L\\\$?C\[^A-Z\]" } } */

#define I (__extension__ 1.0iF)

struct S { int a; double b[2]; void *c; };

extern void use_str(const char *);

extern void use_S(const struct S *);

extern void use_cplx(__complex__ double);

static inline int

returns_23(void) { return 23; }

void

test1(void)

{

        if (returns_23() == 23)

                return;

        use_str("waltz, nymph, for quick jigs vex bud");

        use_S(&(const struct S){12, {3.1415, 2.1828}, 0 });

        use_cplx(3.1415 + 2.1828*I);

}

void

test2(void)

{

        const char *str = "pack my box with five dozen liquor jugs";

        const struct S S = { 23, { 1.414, 1.618 }, 0 };

        const __complex__ double cplx = 1.414 + 1.618*I;

        if (returns_23() == 23)

                return;

        use_str(str);

        use_S(&S);

        use_cplx(cplx);

}