[LLVMbugs] [Bug 2524] New: bogus error when taking the address of a noproto function decl

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2524

           Summary: bogus error when taking the address of a noproto
                    function decl
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Keywords: compile-fail
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: nunoplopes at sapo.pt
                CC: llvmbugs at cs.uiuc.edu


clang produces a bogus error with the following code, and gcc does not:

extern void vgPlain_x86_linux_SUBST_FOR_sigreturn;

void build_sigframe() {
        int x = (int)&vgPlain_x86_linux_SUBST_FOR_sigreturn;
}


b.c:4:15: error: address expression must be an lvalue or a function designator
        int x = (int)&vgPlain_x86_linux_SUBST_FOR_sigreturn;
                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 diagnostic generated.


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