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PR c++/80614 - Wrong mangling for C++17 noexcept type

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* mangle.c (write_type): Put the eh spec back on the function type.

From-SVN: r249321
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Jason Merrill 2017-06-16 22:28:06 -04:00 • committed by Jason Merrill
parent 3da557ec14
commit cc14602e32
3 changed files with 19 additions and 0 deletions
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3
gcc/cp/ChangeLog
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@ -1,5 +1,8 @@
2017-06-16 Jason Merrill <jason@redhat.com>
PR c++/80614 - Wrong mangling for C++17 noexcept type
* mangle.c (write_type): Put the eh spec back on the function type.
PR c++/81102 - Wrong error with partial specialization.
* pt.c (unify) [TEMPLATE_PARM_INDEX]: Strip reference when comparing
types. Do type deduction later.

5
gcc/cp/mangle.c
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@ -2100,6 +2100,11 @@ write_type (tree type)
|| TREE_CODE (t) == METHOD_TYPE)
{
t = build_ref_qualified_type (t, type_memfn_rqual (type));
if (flag_noexcept_type)
{
tree r = TYPE_RAISES_EXCEPTIONS (type);
t = build_exception_variant (t, r);
}
if (abi_version_at_least (8)
|| type == TYPE_MAIN_VARIANT (type))
/* Avoid adding the unqualified function type as a substitution. */

11
gcc/testsuite/g++.dg/cpp1z/noexcept-type16.C Normal file
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@ -0,0 +1,11 @@
// PR c++/80614
// { dg-options -std=c++1z }
template <typename T> void fn() {}
int main() {
// { dg-final { scan-assembler "_Z2fnIKFvvEEvv" } }
fn<void() const>();
// { dg-final { scan-assembler "_Z2fnIKDoFvvEEvv" } }
fn<void() const noexcept>();
}