[LLVMbugs] [Bug 16775] New: lvalue is not a null pointer constant

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=16775

            Bug ID: 16775
           Summary: lvalue is not a null pointer constant
           Product: clang
           Version: 3.2
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: vanyacpp at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Clang accepts the following code:

const int a = 0;
void* b = a;

According to [conv.ptr]p1:
A null pointer constant is an integral constant expression (5.19) prvalue of
integer type that evaluates to zero or a prvalue of type std::nullptr_t.

I believe this code should be rejected as expression "a" is not a prvalue.

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