[LLVMbugs] [Bug 13858] New: Duplicate explicit template instantiation reports incorrect source location

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13858

             Bug #: 13858
           Summary: Duplicate explicit template instantiation reports
                    incorrect source location
           Product: clang
           Version: trunk
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: abbeyj at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Sometimes the note for the "previous explicit instantiation" refers to an
implicit instantiation instead of the explicit one.  For example, take this as
test.cpp:
template <typename T>
struct S {
};

void foo() {
    S<int>();
}

template struct S<int>;
template struct S<int>;


Actual Results:
$ clang -c test.cpp
test.cpp:10:17: error: duplicate explicit instantiation of 'S<int>'
template struct S<int>;
                ^
test.cpp:6:5: note: previous explicit instantiation is here
    S<int>();
    ^
1 error generated.


Expected results:
$ clang -c test.cpp
test.cpp:10:17: error: duplicate explicit instantiation of 'S<int>'
template struct S<int>;
                ^
test.cpp:9:17: note: previous explicit instantiation is here
template struct S<int>;
                ^
1 error generated.

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