[LLVMbugs] [Bug 17324] New: [PATCH] Friend function re-definition regression

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sun Sep 22 14:38:46 PDT 2013


            Bug ID: 17324
           Summary: [PATCH] Friend function re-definition regression
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: alp at nuanti.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

r177003 reused the "late template parsed" logic for ordinary friend function
definitions but omitted out the corresponding check for function redefinition
that exists in the template code path.

The result is that after said commit, the following is either mis-diagnosed or
not diagnosed at all:

namespace test16c {
  extern "C" {
    void bar2() {} // expected-note {{previous definition is here}}
    class Foo2 {
      friend void bar2() {} // expected-error {{redefinition of 'bar'}}

Test case and fix will be attached to this issue shortly.

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