https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90505
Bug ID: 90505
Summary: gcc 9.1 rejects valid code
Product: gcc
Version: 9.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: officesamurai at gmail dot com
Target Milestone: ---
GCC 9.1 fails to compile the following code (previous versions compile it just
fine).
=== test.cpp ===
template <class T>
struct S
{
template <class U, class V>
static void foo(V)
{
}
void bar()
{
foo<void>(1);
}
};
===
=== Console ===
~/tmp$ g++-9.1.0 -c test.cpp
test.cpp: In member function ‘void S<T>::bar()’:
test.cpp:11:20: error: no matching function for call to ‘S<T>::foo<void>(int)’
11 | foo<void>(1);
| ^
test.cpp:5:17: note: candidate: ‘template<class T> template<class U, class V>
static void S<T>::foo(V)’
5 | static void foo(V)
| ^~~
test.cpp:5:17: note: template argument deduction/substitution failed:
test.cpp:11:20: note: mismatched types ‘V’ and ‘int’
11 | foo<void>(1);
|
===
=== Compiler version ===
~/tmp$ g++-9.1.0 -v
Using built-in specs.
COLLECT_GCC=g++-9.1.0
COLLECT_LTO_WRAPPER=/home/brd/soft/gcc-9.1.0/libexec/gcc/x86_64-pc-linux-gnu/9.1.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=/home/brd/soft/gcc-9.1.0
Thread model: posix
gcc version 9.1.0 (GCC)
===