?? builtins-45.c
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/* { dg-do compile } *//* { dg-options "-O1 -fno-trapping-math -fdump-tree-optimized" } */ extern void f(int);extern void link_error ();extern float x;extern double y;extern long double z;intmain (){ double nan = __builtin_nan (""); float nanf = __builtin_nanf (""); long double nanl = __builtin_nanl (""); double pinf = __builtin_inf (); float pinff = __builtin_inff (); long double pinfl = __builtin_infl (); if (__builtin_finite (pinf)) link_error (); if (__builtin_finitef (pinff)) link_error (); if (__builtin_finitel (pinfl)) link_error (); if (__builtin_finite (nan)) link_error (); if (__builtin_finitef (nanf)) link_error (); if (__builtin_finitel (nanl)) link_error (); if (!__builtin_finite (4.0)) link_error (); if (!__builtin_finitef (4.0)) link_error (); if (!__builtin_finitel (4.0)) link_error ();}/* Check that all instances of link_error were subject to DCE. *//* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } *//* { dg-final { cleanup-tree-dump "optimized" } } */
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