[llvm-bugs] [Bug 24921] New: Specializing template methods with enum parameters not working in 3.7
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Sep 24 02:06:50 PDT 2015
https://llvm.org/bugs/show_bug.cgi?id=24921
Bug ID: 24921
Summary: Specializing template methods with enum parameters not
working in 3.7
Product: clang
Version: 3.7
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangbugs at nondot.org
Reporter: maxime.van.noppen at gmail.com
CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
Classification: Unclassified
The following code does not compile on clang 3.7 but works on clang 3.6 and
various versions of gcc.
-----
enum EnumType { A };
class MyClass
{
template<int I> inline void set(int v);
template<EnumType P> inline void set(int v, int I);
};
template<> void MyClass::set<A>(int v, int I) { }
-----
Fails with the error:
error: no function template matches function template specialization 'set'
template<> void MyClass::set<A>(int v, int I) { }
5 : note: candidate template ignored: could not match 'void (int)' against
'void (int, int)'
template<int I> inline void set(int v);
7 : note: candidate template ignored: invalid explicitly-specified argument for
template parameter 'P'
template<EnumType P> inline void set(int v, int I);
Swapping the declaration order of the methods in the classes makes the code
compile, as well as using an enum class.
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