From: Jakub Jelinek <jakub@redhat.com>
Date: Mon, 31 Mar 2025 05:39:53 +0000 (+0200)
Subject: libstdc++: Fix up string _M_constructor<bool> exports [PR103827]
X-Git-Tag: basepoints/gcc-16~503
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=78aed0ae5de801cc1e8220b214145300b28da562;p=thirdparty%2Fgcc.git

libstdc++: Fix up string _M_constructor<bool> exports [PR103827]

On Thu, Mar 27, 2025 at 02:04:24PM +0100, Jan Hubicka wrote:
> Seems I missed the approval, sorry.  I will push it - I think it would
> be useful to have it in.

Unfortunately the exports in this patch only work on targets where size_t is
unsigned long, not e.g. on ia32 where it is unsigned int, or targets where
it is unsigned long long.

2025-03-31  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/103827
	PR tree-optimization/80331
	PR tree-optimization/87502
	* config/abi/pre/gnu.ver (GLIBCXX_3.4.34): Use [jmy] rather than m
	in pattern for _M_construct<bool>(char const*, size_t).
---

diff --git a/libstdc++-v3/config/abi/pre/gnu.ver b/libstdc++-v3/config/abi/pre/gnu.ver
index eb230290313..10bf9975d45 100644
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -2540,9 +2540,9 @@ GLIBCXX_3.4.34 {
     _ZNSt8__format25__locale_encoding_to_utf8ERKSt6localeSt17basic_string_viewIcSt11char_traitsIcEEPv;
     # __sso_string constructor and destructor
     _ZNSt12__sso_string[CD][12]Ev;
-    # void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<bool>(char const*, unsigned long)
+    # void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<bool>(char const*, size_t)
     # and wide char version
-    _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE12_M_constructILb[01]EEEvPK[cw]m;
+    _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE12_M_constructILb[01]EEEvPK[cw][jmy];
 } GLIBCXX_3.4.33;
 
 # Symbols in the support library (libsupc++) have their own tag.