[LLVMbugs] [Bug 3500] New: Wrong type computed for member access to unsigned bitfield

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Fri Feb 6 19:04:59 PST 2009


http://llvm.org/bugs/show_bug.cgi?id=3500

           Summary: Wrong type computed for member access to unsigned
                    bitfield
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: sharparrow1 at yahoo.com
                CC: llvmbugs at cs.uiuc.edu


Testcase:
struct {unsigned x : 2;} x;
__typeof__(x.x+1) y;
int y;

This should compile without errors/warnings.  clang gives an error; gcc accepts
it.

Standard reference: C99 6.3.1.1p2.


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