Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/ext/constexpr-builtin1.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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// PR c++/80265 // { dg-do compile { target c++14 } } constexpr bool compare() { char s1[] = "foo"; char s2[] = "fxo"; if (!__builtin_memcmp(s1, s2, 3)) return false; s2[1] = 'o'; if (__builtin_memcmp(s1, s2, 3)) return false; if (__builtin_strcmp(s1, s2)) return false; return true; } constexpr bool length() { char s[] = "foo"; if (__builtin_strlen(s) != 3) return false; return true; } constexpr bool find() { char s[] = "foo"; if (__builtin_memchr(s, 'f', 3) != s) return false; if (__builtin_strchr(s, 'o') != s+1) return false; if (__builtin_strstr(s, "oo") != s+1) return false; return true; } static_assert( compare(), "" ); static_assert( length(), "" ); static_assert( find(), "" );