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4 Commits

Author SHA1 Message Date
Douglas Gregor 90cf2c98bb Record template argument deduction failures for member function 
templates and conversion function templates. 

llvm-svn: 103349
 2010-05-08 20:18:54 +00:00
Douglas Gregor d09efd43d3 When printing an overload candidate that failed due to SFINAE, print a 
specific message that includes the template arguments, e.g.,

test/SemaTemplate/overload-candidates.cpp:27:20: note: candidate template
      ignored: substitution failure [with T = int *]
  typename T::type get_type(const T&); // expected-note{{candidate ...
                   ^

llvm-svn: 103348
 2010-05-08 20:07:26 +00:00
Douglas Gregor 1d72edd7c5 Improve overload-candidate diagnostic for a function template that 
failed because the explicitly-specified template arguments did not
match its template parameters, e.g.,

test/SemaTemplate/overload-candidates.cpp:18:8: note: candidate
template
      ignored: invalid explicitly-specified argument for template
      parameter 'I'
  void get(const T&);
       ^
test/SemaTemplate/overload-candidates.cpp:20:8: note: candidate
template
      ignored: invalid explicitly-specified argument for 1st template
      parameter
  void get(const T&);
       ^

llvm-svn: 103344
 2010-05-08 19:15:54 +00:00
Douglas Gregor 3626a5cac2 When printing a non-viable overload candidate that failed due to 
conflicting deduced template argument values, give a more specific
reason along with those values, e.g.,

test/SemaTemplate/overload-candidates.cpp:4:10: note: candidate template
      ignored: deduced conflicting types for parameter 'T' ('int' vs. 'long')
const T& min(const T&, const T&); 
         ^

llvm-svn: 103339
 2010-05-08 17:41:32 +00:00