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Produce a warning that partial ordering of function templates is not yet supported 

llvm-svn: 77928
This commit is contained in:
Douglas Gregor 2009-08-02 23:46:29 +00:00
parent c3719c36e6
commit 55137cbc85
2 changed files with 8 additions and 2 deletions
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4
clang/include/clang/Basic/DiagnosticSemaKinds.td
View File

@ -905,6 +905,10 @@ def unsup_template_partial_spec_ordering : Error<
"partial ordering of class template partial specializations is not yet "
"supported">;
def unsup_function_template_partial_ordering : Warning<
"partial ordering of function templates is unsupported; overload resolution "
"may result in an ambiguity that would not occur with a conforming compiler">;
// C++ Template Instantiation
def err_template_recursion_depth_exceeded : Error<
"recursive template instantiation exceeded maximum depth of %0">,

6
clang/lib/Sema/SemaOverload.cpp
View File

@ -3496,8 +3496,10 @@ Sema::isBetterOverloadCandidate(const OverloadCandidate& Cand1,
// template for F1 is more specialized than the template for F2
// according to the partial ordering rules described in 14.5.5.2, or,
// if not that,
// FIXME: Implement partial ordering of function templates.
if (Cand1.Function && Cand1.Function->getPrimaryTemplate() &&
Cand2.Function && Cand2.Function->getPrimaryTemplate())
// FIXME: Implement partial ordering of function templates.
Diag(SourceLocation(), diag::unsup_function_template_partial_ordering);
// -- the context is an initialization by user-defined conversion
// (see 8.5, 13.3.1.5) and the standard conversion sequence