https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105796
Bug ID: 105796
Summary: error: no matching function for call with template
function
Product: gcc
Version: 12.1.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hiraditya at msn dot com
Target Milestone: ---
test.cpp
```
int func(int, char);
template<typename... TArgs>
int testFunc(int (*)(TArgs..., char));
int x = testFunc<int>(func);
```
With gcc trunk:
g++ -std=c++20 test.cpp -c
<source>:6:22: error: no matching function for call to 'testFunc<int>(int
(&)(int, char))'
6 | int x = testFunc<int>(func);
| ~~~~~~~~~~~~~^~~~~~
<source>:4:5: note: candidate: 'template<class ... TArgs> int testFunc(int
(*)(TArgs ..., char))'
4 | int testFunc(int (*)(TArgs..., char));
| ^~~~~~~~
<source>:4:5: note: template argument deduction/substitution failed:
<source>:6:22: note: mismatched types 'char' and 'int'
6 | int x = testFunc<int>(func);
| ~~~~~~~~~~~~~^~~~~~
Compiler returned: 1
