[PATCH] D64941: [libc++] Fix link error with _LIBCPP_HIDE_FROM_ABI_PER_TU and std::string
Louis Dionne via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 19 04:52:42 PDT 2019
This revision was automatically updated to reflect the committed changes.
Closed by commit rL366567: [libc++] Fix link error with _LIBCPP_HIDE_FROM_ABI_PER_TU and std::string (authored by ldionne, committed by ).
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Herald added a subscriber: llvm-commits.
Changed prior to commit:
https://reviews.llvm.org/D64941?vs=210651&id=210801#toc
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D64941/new/
https://reviews.llvm.org/D64941
Files:
libcxx/trunk/include/string
libcxx/trunk/test/libcxx/strings/basic.string/PR42676.sh.cpp
Index: libcxx/trunk/test/libcxx/strings/basic.string/PR42676.sh.cpp
===================================================================
--- libcxx/trunk/test/libcxx/strings/basic.string/PR42676.sh.cpp
+++ libcxx/trunk/test/libcxx/strings/basic.string/PR42676.sh.cpp
@@ -0,0 +1,21 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// Regression test for PR42676.
+
+// RUN: %cxx %flags %s -o %t.exe %compile_flags -D_LIBCPP_HIDE_FROM_ABI_PER_TU
+// RUN: %t.exe
+
+#include <memory>
+#include <string>
+
+int main() {
+ std::string s1(10u, '-', std::allocator<char>()); (void)s1;
+ std::string s2("hello", std::allocator<char>()); (void)s2;
+ std::string s3("hello"); (void)s3;
+}
Index: libcxx/trunk/include/string
===================================================================
--- libcxx/trunk/include/string
+++ libcxx/trunk/include/string
@@ -812,9 +812,7 @@
basic_string(basic_string&& __str, const allocator_type& __a);
#endif // _LIBCPP_CXX03_LANG
-#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES
template <class = typename enable_if<__is_allocator<_Allocator>::value, nullptr_t>::type>
-#endif
_LIBCPP_INLINE_VISIBILITY
basic_string(const _CharT* __s) {
_LIBCPP_ASSERT(__s != nullptr, "basic_string(const char*) detected nullptr");
@@ -824,9 +822,7 @@
# endif
}
-#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES
template <class = typename enable_if<__is_allocator<_Allocator>::value, nullptr_t>::type>
-#endif
_LIBCPP_INLINE_VISIBILITY
basic_string(const _CharT* __s, const _Allocator& __a);
@@ -837,9 +833,7 @@
_LIBCPP_INLINE_VISIBILITY
basic_string(size_type __n, _CharT __c);
-#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES
template <class = typename enable_if<__is_allocator<_Allocator>::value, nullptr_t>::type>
-#endif
_LIBCPP_INLINE_VISIBILITY
basic_string(size_type __n, _CharT __c, const _Allocator& __a);
@@ -1800,9 +1794,7 @@
}
template <class _CharT, class _Traits, class _Allocator>
-#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES
template <class>
-#endif
basic_string<_CharT, _Traits, _Allocator>::basic_string(const _CharT* __s, const _Allocator& __a)
: __r_(__second_tag(), __a)
{
@@ -1939,9 +1931,7 @@
}
template <class _CharT, class _Traits, class _Allocator>
-#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES
template <class>
-#endif
basic_string<_CharT, _Traits, _Allocator>::basic_string(size_type __n, _CharT __c, const _Allocator& __a)
: __r_(__second_tag(), __a)
{
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