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libstdc++: Fix some test failures with -fno-char8_t

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libstdc++-v3/ChangeLog:

	* testsuite/20_util/duration/io.cc [!__cpp_lib_char8_t]: Define
	char8_t as a typedef for unsigned char.
	* testsuite/std/format/parse_ctx_neg.cc: Skip for -fno-char8_t.
This commit is contained in:
Jonathan Wakely 2024-10-09 14:24:19 +01:00 • committed by Jonathan Wakely
parent 36b9c5e6f3
commit cb0988a659
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2 changed files with 9 additions and 2 deletions
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10
libstdc++-v3/testsuite/20_util/duration/io.cc
View file

@ -5,6 +5,10 @@
#include <sstream>
#include <testsuite_hooks.h>
#ifndef __cpp_lib_char8_t
using char8_t = unsigned char; // Prevent errors if -fno-char8_t is used.
#endif
void
test01()
{
@ -173,12 +177,14 @@ test_format()
#if __cplusplus > 202002L
static_assert( ! std::formattable<std::chrono::duration<wchar_t>, char> );
static_assert( ! std::formattable<std::chrono::duration<char8_t>, char> );
static_assert( ! std::formattable<std::chrono::duration<char16_t>, char> );
static_assert( ! std::formattable<std::chrono::duration<char32_t>, char> );
static_assert( ! std::formattable<std::chrono::duration<char8_t>, wchar_t> );
static_assert( ! std::formattable<std::chrono::duration<char16_t>, wchar_t> );
static_assert( ! std::formattable<std::chrono::duration<char32_t>, wchar_t> );
#ifdef __cpp_lib_char8_t
static_assert( ! std::formattable<std::chrono::duration<char8_t>, char> );
static_assert( ! std::formattable<std::chrono::duration<char8_t>, wchar_t> );
#endif
#endif
}

1
libstdc++-v3/testsuite/std/format/parse_ctx_neg.cc
View file

@ -1,4 +1,5 @@
// { dg-do compile { target c++26 } }
// { dg-skip-if "" { *-*-* } { "-fno-char8_t" } }
#include <format>