[llvm-bugs] [Bug 42213] Invalid template parameter

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Jun 9 21:24:32 PDT 2019


Richard Smith <richard-llvm at metafoo.co.uk> changed:

           What    |Removed                     |Added
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED

--- Comment #1 from Richard Smith <richard-llvm at metafoo.co.uk> ---
Clang's behavior is correct.

GCC misparsed the second parameter and somehow believes A was given only one
template argument.

MSVC and EDG/ICC are complaining that a prior function parameter was used in a
later parameter, but that can be valid (depending on the type T and what
overload resolution for operator== finds), so that error should not occur until
substitution when it should be suppressed by SFINAE.

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