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Author SHA1 Message Date
Logan Chien af24ad940d Fix diagnostics for C-style cast to function type. 
If the C-style type cast is applied to the overloaded
function and the destination type is function type,
then Clang will crash with assertion failure.  For example,

    void foo(int);
    void foo(int, int);
    void bar() {
        typedef void (ft)(int);
        ft p = (ft)foo;
    }

In this case, the overloaded function foo will be cast to
a function type, which should be considered as an error.
But, unfortunately, since the function resolution is using
canonical type, the matched function will be returned, and
result in SEGV.

This patch fixes this issue by removing the assertion and
add some error diagnostics as the one in static_cast.

llvm-svn: 206133
 2014-04-13 16:08:24 +00:00
Richard Smith 0d905476f8 Don't produce duplicate notes if we have deduction failure notes when resolving 
the address of an overloaded function template.

llvm-svn: 188334
 2013-08-14 00:00:44 +00:00
Larisse Voufo 98b20f1278 FIXME fix: improving diagnostics for template arguments deduction of class templates and explicit specializations 
This patch essentially removes all the FIXMEs following calls to DeduceTemplateArguments() that want to keep track of deduction failure info.

llvm-svn: 186730
 2013-07-19 23:00:19 +00:00
Larisse Voufo 47c0845e0b Revert "Use function overloading instead of template specialization for diagnosis of bad template argument deductions." 
This reverts commit a730f548325756d050d4caaa28fcbffdae8dfe95.

llvm-svn: 186729
 2013-07-19 22:53:23 +00:00
Larisse Voufo 8d33da6d58 Use function overloading instead of template specialization for diagnosis of bad template argument deductions. 
llvm-svn: 186727
 2013-07-19 22:34:32 +00:00
Douglas Gregor b491ed36b4 Handle the resolution of a reference to a function template (which 
includes explicitly-specified template arguments) to a function
template specialization in cases where no deduction is performed or
deduction fails. Patch by Faisal Vali, fixes PR7505!

llvm-svn: 126048
 2011-02-19 21:32:49 +00:00
Douglas Gregor b0a746e391 Add missing test case for PR8230 
llvm-svn: 118402
 2010-11-08 03:58:01 +00:00