[LLVMbugs] [Bug 17535] New: clang should reject aliases to undefined symbols

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17535

            Bug ID: 17535
           Summary: clang should reject aliases to undefined symbols
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: rafael.espindola at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

gcc rejects:

int f(int c) __attribute__((alias("g")));

with the error

/home/espindola/llvm/test.c:1:5: error: ‘f’ aliased to undefined symbol ‘g’
 int f(int c) __attribute__((alias("g")));

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