[LLVMbugs] [Bug 17715] New: Name mangling for local types that inherit from a non-local type with a template constructor which we inherit

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17715

            Bug ID: 17715
           Summary: Name mangling for local types that inherit from a
                    non-local type with a template constructor which we
                    inherit
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david.majnemer at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

consider:

struct X {
  template <typename T>
  X(T) {}
};

void *foo() {
  struct Y : X {
    using X::X;
  };
  static Y a(0);
  return &a;
}

we emit the following symbol:
_ZZ3foovEN3foo1YC1IiEET_

g++ gives:
_ZZ3foovEN1YC2IiEET_

GCC's symbol looks more correct here.

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