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* [gcc r11-4476] libstdc++: Fix name clash with _Cosh in QNX headers [PR 95592]
@ 2020-10-28 12:50 Jonathan Wakely
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From: Jonathan Wakely @ 2020-10-28 12:50 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:72a87d82e0d0741d75c72c8f3d2fc070e3a02b5f
commit r11-4476-g72a87d82e0d0741d75c72c8f3d2fc070e3a02b5f
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Wed Oct 28 12:35:44 2020 +0000
libstdc++: Fix name clash with _Cosh in QNX headers [PR 95592]
This replaces unqualified names like _Cosh with struct std::_Cosh to
ensure there is no ambiguity with other entities with the same name.
libstdc++-v3/ChangeLog:
PR libstdc++/95592
* include/bits/valarray_after.h (_DEFINE_EXPR_UNARY_OPERATOR)
(_DEFINE_EXPR_BINARY_OPERATOR, _DEFINE_EXPR_BINARY_FUNCTION):
Use elaborated-type-specifier and qualified-id to avoid
ambiguities with QNX system headers.
* testsuite/26_numerics/valarray/95592.cc: New test.
Diff:
---
libstdc++-v3/include/bits/valarray_after.h | 74 +++++++++++-----------
.../testsuite/26_numerics/valarray/95592.cc | 29 +++++++++
2 files changed, 66 insertions(+), 37 deletions(-)
diff --git a/libstdc++-v3/include/bits/valarray_after.h b/libstdc++-v3/include/bits/valarray_after.h
index cf84e17e5ad..439b3e9a5ed 100644
--- a/libstdc++-v3/include/bits/valarray_after.h
+++ b/libstdc++-v3/include/bits/valarray_after.h
@@ -331,9 +331,9 @@ namespace __detail
return _Expr<_Closure, _Tp>(_Closure(this->_M_closure)); \
}
- _DEFINE_EXPR_UNARY_OPERATOR(+, __unary_plus)
- _DEFINE_EXPR_UNARY_OPERATOR(-, __negate)
- _DEFINE_EXPR_UNARY_OPERATOR(~, __bitwise_not)
+ _DEFINE_EXPR_UNARY_OPERATOR(+, struct std::__unary_plus)
+ _DEFINE_EXPR_UNARY_OPERATOR(-, struct std::__negate)
+ _DEFINE_EXPR_UNARY_OPERATOR(~, struct std::__bitwise_not)
#undef _DEFINE_EXPR_UNARY_OPERATOR
@@ -402,24 +402,24 @@ namespace __detail
return _Expr<_Closure, _Value>(_Closure(__v, __e ())); \
}
- _DEFINE_EXPR_BINARY_OPERATOR(+, __plus)
- _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
- _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
- _DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
- _DEFINE_EXPR_BINARY_OPERATOR(%, __modulus)
- _DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
- _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
- _DEFINE_EXPR_BINARY_OPERATOR(|, __bitwise_or)
- _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left)
- _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
- _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and)
- _DEFINE_EXPR_BINARY_OPERATOR(||, __logical_or)
- _DEFINE_EXPR_BINARY_OPERATOR(==, __equal_to)
- _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
- _DEFINE_EXPR_BINARY_OPERATOR(<, __less)
- _DEFINE_EXPR_BINARY_OPERATOR(>, __greater)
- _DEFINE_EXPR_BINARY_OPERATOR(<=, __less_equal)
- _DEFINE_EXPR_BINARY_OPERATOR(>=, __greater_equal)
+ _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
+ _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
+ _DEFINE_EXPR_BINARY_OPERATOR(*, struct std::__multiplies)
+ _DEFINE_EXPR_BINARY_OPERATOR(/, struct std::__divides)
+ _DEFINE_EXPR_BINARY_OPERATOR(%, struct std::__modulus)
+ _DEFINE_EXPR_BINARY_OPERATOR(^, struct std::__bitwise_xor)
+ _DEFINE_EXPR_BINARY_OPERATOR(&, struct std::__bitwise_and)
+ _DEFINE_EXPR_BINARY_OPERATOR(|, struct std::__bitwise_or)
+ _DEFINE_EXPR_BINARY_OPERATOR(<<, struct std::__shift_left)
+ _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
+ _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
+ _DEFINE_EXPR_BINARY_OPERATOR(||, struct std::__logical_or)
+ _DEFINE_EXPR_BINARY_OPERATOR(==, struct std::__equal_to)
+ _DEFINE_EXPR_BINARY_OPERATOR(!=, struct std::__not_equal_to)
+ _DEFINE_EXPR_BINARY_OPERATOR(<, struct std::__less)
+ _DEFINE_EXPR_BINARY_OPERATOR(>, struct std::__greater)
+ _DEFINE_EXPR_BINARY_OPERATOR(<=, struct std::__less_equal)
+ _DEFINE_EXPR_BINARY_OPERATOR(>=, struct std::__greater_equal)
#undef _DEFINE_EXPR_BINARY_OPERATOR
@@ -442,20 +442,20 @@ namespace __detail
return _Expr<_Closure, _Tp>(_Closure(__v)); \
}
- _DEFINE_EXPR_UNARY_FUNCTION(abs, _Abs)
- _DEFINE_EXPR_UNARY_FUNCTION(cos, _Cos)
- _DEFINE_EXPR_UNARY_FUNCTION(acos, _Acos)
- _DEFINE_EXPR_UNARY_FUNCTION(cosh, _Cosh)
- _DEFINE_EXPR_UNARY_FUNCTION(sin, _Sin)
- _DEFINE_EXPR_UNARY_FUNCTION(asin, _Asin)
- _DEFINE_EXPR_UNARY_FUNCTION(sinh, _Sinh)
- _DEFINE_EXPR_UNARY_FUNCTION(tan, _Tan)
- _DEFINE_EXPR_UNARY_FUNCTION(tanh, _Tanh)
- _DEFINE_EXPR_UNARY_FUNCTION(atan, _Atan)
- _DEFINE_EXPR_UNARY_FUNCTION(exp, _Exp)
- _DEFINE_EXPR_UNARY_FUNCTION(log, _Log)
- _DEFINE_EXPR_UNARY_FUNCTION(log10, _Log10)
- _DEFINE_EXPR_UNARY_FUNCTION(sqrt, _Sqrt)
+ _DEFINE_EXPR_UNARY_FUNCTION(abs, struct std::_Abs)
+ _DEFINE_EXPR_UNARY_FUNCTION(cos, struct std::_Cos)
+ _DEFINE_EXPR_UNARY_FUNCTION(acos, struct std::_Acos)
+ _DEFINE_EXPR_UNARY_FUNCTION(cosh, struct std::_Cosh)
+ _DEFINE_EXPR_UNARY_FUNCTION(sin, struct std::_Sin)
+ _DEFINE_EXPR_UNARY_FUNCTION(asin, struct std::_Asin)
+ _DEFINE_EXPR_UNARY_FUNCTION(sinh, struct std::_Sinh)
+ _DEFINE_EXPR_UNARY_FUNCTION(tan, struct std::_Tan)
+ _DEFINE_EXPR_UNARY_FUNCTION(tanh, struct std::_Tanh)
+ _DEFINE_EXPR_UNARY_FUNCTION(atan, struct std::_Atan)
+ _DEFINE_EXPR_UNARY_FUNCTION(exp, struct std::_Exp)
+ _DEFINE_EXPR_UNARY_FUNCTION(log, struct std::_Log)
+ _DEFINE_EXPR_UNARY_FUNCTION(log10, struct std::_Log10)
+ _DEFINE_EXPR_UNARY_FUNCTION(sqrt, struct std::_Sqrt)
#undef _DEFINE_EXPR_UNARY_FUNCTION
@@ -545,8 +545,8 @@ namespace __detail
return _Expr<_Closure, _Tp>(_Closure(__t, __v)); \
}
-_DEFINE_EXPR_BINARY_FUNCTION(atan2, _Atan2)
-_DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
+_DEFINE_EXPR_BINARY_FUNCTION(atan2, struct std::_Atan2)
+_DEFINE_EXPR_BINARY_FUNCTION(pow, struct std::_Pow)
#undef _DEFINE_EXPR_BINARY_FUNCTION
diff --git a/libstdc++-v3/testsuite/26_numerics/valarray/95592.cc b/libstdc++-v3/testsuite/26_numerics/valarray/95592.cc
new file mode 100644
index 00000000000..e530cbdc212
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/valarray/95592.cc
@@ -0,0 +1,29 @@
+// Copyright (C) 2020 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-do compile }
+
+// PR libstdc++/95592
+// Collision with struct _Cosh when Cross compiling libstdc++
+
+namespace std
+{
+ double _Cosh(double);
+ double _Pow(double, double);
+}
+
+#include <valarray>
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