[LLVMbugs] [Bug 1986] New: Incorrect type generated for anonymous struct

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Wed Feb 6 07:48:16 PST 2008


           Summary: Incorrect type generated for anonymous struct
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: LLVM Codegen
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: andersca at mac.com
                CC: llvmbugs at cs.uiuc.edu

The following code

struct s
 struct {
  int a;
  int b;
 void *d;

is translated to 

        %struct.s = type { i8* }

by clang. Also, the warning

Macintosh:clang andersca$ clang -emit-llvm test.c -o -test.c:4:2: warning:
declaration does not declare anything
 struct {

is emitted. GCC correctly emits the following type

        %struct.anon = type { i32, i32 }
        %struct.s = type { %struct.anon, i8* }

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