This adds a missing string argument to a call to static_assert, thus not
making it depend on c++1z extensions. This fixes the build breakage on
mingw introduced in 232454.
Tested on x86_64-linux. OK?
commit 7659ab483954a15c8143f6b1b9d135159a2ecc67
Author: Torvald Riegel <trie...@redhat.com>
Date: Sat Jan 16 23:40:26 2016 +0100
libstdc++: Fix static_assert.
* src/c++11/cow-stdexcept.cc (txnal_read_ptr): Fix static_assert.
diff --git a/libstdc++-v3/src/c++11/cow-stdexcept.cc b/libstdc++-v3/src/c++11/cow-stdexcept.cc
index afc3f6c..375ab8b 100644
--- a/libstdc++-v3/src/c++11/cow-stdexcept.cc
+++ b/libstdc++-v3/src/c++11/cow-stdexcept.cc
@@ -278,8 +278,8 @@ _txnal_cow_string_C1_for_exceptions(void* that, const char* s, void *exc)
static void* txnal_read_ptr(void* const * ptr)
{
static_assert(sizeof(uint64_t) == sizeof(void*)
- || sizeof(uint32_t) == sizeof(void*));
- // FIXME make a true compile-time choice to prevent warnings.
+ || sizeof(uint32_t) == sizeof(void*),
+ "Pointers are neither 32 nor 64 bit wide");
#if __UINTPTR_MAX__ == __UINT64_MAX__
return (void*)_ITM_RU8((const uint64_t*)ptr);
#else
