Eric Fiselier 279663c1b4 Prevent ill-formed instantiation of __invoke_of<...> during the evaluation of a bind expression. Fixes PR22003. ... The SFINAE on the function __mu(Fn, Args...) that evaluates nested bind expressions always tries to deduce the return type for Fn(Args...) even when Fn is not a nested bind expression. This can cause hard compile errors when the instantation of Fn(Args...) is ill-formed. This patch prevents the instantation of __invoke_of<Fn, Args...> unless Fn is actually a bind expression. Bug reportand patch from Michel Morin. http://llvm.org/bugs/show_bug.cgi?id=22003 llvm-svn: 224753		2014-12-23 05:54:34 +00:00
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func.bind
nothing_to_do.pass.cpp