[LLVMbugs] [Bug 18430] New: Assertion `!Packed && "cannot layout even as packed struct"' failed.

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Jan 9 10:40:00 PST 2014


            Bug ID: 18430
           Summary: Assertion `!Packed && "cannot layout even as packed
                    struct"' failed.
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: katya_romanova at playstation.sony.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

The following testcase causes an assertion:`!Packed && "cannot layout even as
packed struct"' failed. No additional compilation flags are needed.
It is a regression that was introduced in r169489.

struct S477X3 {};
struct S477X6 { virtual void vf1(); };
struct S477X7 : virtual S477X3 {};
struct S477X5 : S477X6 , virtual S477X7 {};
struct S477X2 : S477X5 {
  char fld0;
  long long fld1:48;
  virtual void vf1();
void S477X2 ::vf1(){}


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