[LLVMbugs] [Bug 2910] New: clang codegen doesn't handle non-constant offsetof

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Fri Oct 17 13:53:29 PDT 2008


           Summary: clang codegen doesn't handle non-constant offsetof
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: LLVM Codegen
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: clattner at apple.com
                CC: llvmbugs at cs.uiuc.edu, ddunbar at stanford.edu

This crashes -emit-llvm:

struct sockaddr_un {
 unsigned char sun_len;
 char sun_path[104];

int test(int len) {
  return __builtin_offsetof(struct sockaddr_un, sun_path[len+1]);

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