[llvm-bugs] [Bug 51855] New: Invalid error with declspec(property..) and templates

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=51855

            Bug ID: 51855
           Summary: Invalid error with declspec(property..) and templates
           Product: clang
           Version: 12.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: jeroen.dobbelaere at synopsys.com
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

Created attachment 25254
  --> https://bugs.llvm.org/attachment.cgi?id=25254&action=edit
test01.cpp

The mere addition of an unrelated
   F operator*=(F& lhs, int rhs) { return lhs; }

results in a compilation error related to __declspec(property) and templates:


<source>:32:17: error: invalid operands to binary expression ('<pseudo-object
type>' and 'int')
    tmp.theData *= 2;
    ~~~~~~~~~~~ ^  ~
<source>:38:11: note: in instantiation of function template specialization
'fum<S>' requested here
   return fum<S>();
          ^

See https://www.godbolt.org/z/KErjj7qET  for a reproduction.

(or compile the attached file with '-O3 -fms-extensions'

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