From 27dae84ed92f1ef0300263091972338d12e78348 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 18 Oct 2025 19:06:52 +0200 Subject: New upstream version 1.4.1 --- tests/test-stddef.c | 100 ---------------------------------------------------- 1 file changed, 100 deletions(-) delete mode 100644 tests/test-stddef.c (limited to 'tests/test-stddef.c') diff --git a/tests/test-stddef.c b/tests/test-stddef.c deleted file mode 100644 index 5bceb18a..00000000 --- a/tests/test-stddef.c +++ /dev/null @@ -1,100 +0,0 @@ -/* Test of substitute. - Copyright (C) 2009-2024 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . */ - -/* Written by Eric Blake , 2009. */ - -#include - -#include - -/* Check that appropriate types are defined. */ -wchar_t a = 'c'; -ptrdiff_t b = 1; -size_t c = 2; -max_align_t mat; - -/* Check that NULL can be passed through varargs as a pointer type, - per POSIX 2008. */ -static_assert (sizeof NULL == sizeof (void *)); - -/* Check that offsetof produces integer constants with correct type. */ -struct d -{ - char e; - char f; -}; -/* Solaris 10 has a bug where offsetof is under-parenthesized, and - cannot be used as an arbitrary expression. However, since it is - unlikely to bite real code, we ignore that short-coming. */ -/* static_assert (sizeof offsetof (struct d, e) == sizeof (size_t)); */ -static_assert (sizeof (offsetof (struct d, e)) == sizeof (size_t)); -static_assert (offsetof (struct d, f) == 1); - -/* Check max_align_t's alignment. */ -static_assert (alignof (double) <= alignof (max_align_t)); -static_assert (alignof (int) <= alignof (max_align_t)); -static_assert (alignof (long double) <= alignof (max_align_t)); -static_assert (alignof (long int) <= alignof (max_align_t)); -static_assert (alignof (ptrdiff_t) <= alignof (max_align_t)); -static_assert (alignof (size_t) <= alignof (max_align_t)); -static_assert (alignof (wchar_t) <= alignof (max_align_t)); -static_assert (alignof (struct d) <= alignof (max_align_t)); -#if defined __GNUC__ || defined __clang__ || defined __IBM__ALIGNOF__ -static_assert (__alignof__ (double) <= __alignof__ (max_align_t)); -static_assert (__alignof__ (int) <= __alignof__ (max_align_t)); -static_assert (__alignof__ (long double) <= __alignof__ (max_align_t)); -static_assert (__alignof__ (long int) <= __alignof__ (max_align_t)); -static_assert (__alignof__ (ptrdiff_t) <= __alignof__ (max_align_t)); -static_assert (__alignof__ (size_t) <= __alignof__ (max_align_t)); -static_assert (__alignof__ (wchar_t) <= __alignof__ (max_align_t)); -static_assert (__alignof__ (struct d) <= __alignof__ (max_align_t)); -#endif - -int test_unreachable_optimization (int x); -_Noreturn void test_unreachable_noreturn (void); - -int -test_unreachable_optimization (int x) -{ - /* Check that the compiler uses 'unreachable' for optimization. - This function, when compiled with optimization, should have code - equivalent to - return x + 3; - Use 'objdump --disassemble test-stddef.o' to verify this. */ - if (x < 4) - unreachable (); - return (x > 1 ? x + 3 : 2 * x + 10); -} - -_Noreturn void -test_unreachable_noreturn (void) -{ - /* Check that the compiler's data-flow analysis recognizes 'unreachable ()'. - This function should not elicit a warning. */ - unreachable (); -} - -#include /* INT_MAX */ - -/* offsetof promotes to an unsigned integer if and only if sizes do - not fit in int. */ -static_assert ((offsetof (struct d, e) < -1) == (INT_MAX < (size_t) -1)); - -int -main (void) -{ - return 0; -} -- cgit v1.2.3