[LLVMbugs] [Bug 17624] New: Incorrect warning about a function not being needed

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17624

            Bug ID: 17624
           Summary: Incorrect warning about a function not being needed
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: ASSIGNED
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: rafael.espindola at gmail.com
          Reporter: rafael.espindola at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Given

static void func();
void bar() {
  void func();
  func();
}
static void func() {}

clang warns that "function 'func' is not needed and will not be emitted", but
that is not the case. We do emit func.

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