libstdc++-v3 expected: Correct minimal-size test in requirements.cc

Without this, for a target where alignment and structure-sizes are by
default byte-aligned, such as cris-elf, you'll see, in libstdc++.log:

/X/gcc/libstdc++-v3/testsuite/20_util/expected/requirements.cc:127: error: static assertion failed
/X/gcc/libstdc++-v3/testsuite/20_util/expected/requirements.cc:127: note: the comparison reduces to '(5 == 2)'
compiler exited with status 1
FAIL: 20_util/expected/requirements.cc (test for excess errors)
Excess errors:
/X/gcc/libstdc++-v3/testsuite/20_util/expected/requirements.cc:127: error: static assertion failed

The intent of that line is to check that the object is not larger than
necessary.

libstdc++-v3/:
	* testsuite/20_util/expected/requirements.cc: Correct minimal-size
	test.

diff --git a/libstdc++-v3/testsuite/20_util/expected/requirements.cc b/libstdc++-v3/testsuite/20_util/expected/requirements.cc
index 485aa33..aae7059 100644 (file)
--- a/libstdc++-v3/testsuite/20_util/expected/requirements.cc
+++ b/libstdc++-v3/testsuite/20_util/expected/requirements.cc
@@ -124,6 +124,6 @@ static_assert( move_assignable< void, G > );
 // QoI properties
 static_assert( sizeof(std::expected<char, unsigned char>) == 2 );
 static_assert( sizeof(std::expected<void, char>) == 2 );
-static_assert( sizeof(std::expected<void*, char>) == 2 * __alignof(void*) );
+static_assert( sizeof(std::expected<void*, char>) == sizeof(void*) + __alignof(void*) );
 static_assert( alignof(std::expected<void, char>) == 1 );
 static_assert( alignof(std::expected<void*, char>) == alignof(void*) );