[LLVMbugs] [Bug 2668] New: Assertion failed: (isa<FunctionDecl>(d) && " DeclRefExpr can only own FunctionDecls for implicitly def. funcs."), function EmitImpl, file StmtSerialization.cpp, line 504.

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2668

           Summary: Assertion failed: (isa<FunctionDecl>(d) && "DeclRefExpr
                    can only own FunctionDecls for implicitly def. funcs."),
                    function EmitImpl, file StmtSerialization.cpp, line 504.
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: AST
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: nicolasweber at gmx.de
                CC: llvmbugs at cs.uiuc.edu


Here's a minimal testcase that triggers the assertion.

nico$ cat version_delta.c
void f()
{
  enum { C, D } type;
  type == C;
}
nico$ clang -serialize version_delta.c
version_delta.c:4:8: warning: expression result unused
  type == C;
  ~~~~ ^  ~
Assertion failed: (isa<FunctionDecl>(d) && "DeclRefExpr can only own
FunctionDecls for implicitly def. funcs."), function EmitImpl, file
StmtSerialization.cpp, line 504.
0   clang                               0x002f34a7
_ZN4llvm3sys7Program17FindProgramByNameERKSs + 611
1   clang                               0x002f3771
_ZN4llvm3sys28PrintStackTraceOnErrorSignalEv + 593
2   libSystem.B.dylib                   0x966ed09b _sigtramp + 43
3   ???                                 0xffffffff 0x0 + 4294967295
4   libSystem.B.dylib                   0x96765ec2 raise + 26
5   libSystem.B.dylib                   0x9677547f abort + 73
6   libSystem.B.dylib                   0x96767063 __assert_rtn + 101
7   clang                               0x00199ed9
_ZNK5clang11DeclRefExpr8EmitImplERN4llvm10SerializerE + 183
8   clang                               0x00198129
_ZNK5clang4Stmt4EmitERN4llvm10SerializerE + 77
9   clang                               0x001ab04c
_ZN4llvm14SerializeTraitIN5clang4StmtEE4EmitERNS_10SerializerERKS2_ + 24
10  clang                               0x001ab07e
_ZN4llvm10Serializer12EmitOwnedPtrIN5clang4StmtEEEvPT_ + 48
11  clang                               0x00198899
_ZNK5clang16ImplicitCastExpr8EmitImplERN4llvm10SerializerE + 59
12  clang                               0x00198129
_ZNK5clang4Stmt4EmitERN4llvm10SerializerE + 77
13  clang                               0x0019d006
_ZN4llvm14SerializeTraitIN5clang4ExprEE4EmitERNS_10SerializerERKS2_ + 24
14  clang                               0x0019d062
_ZN4llvm10Serializer18BatchEmitOwnedPtrsIN5clang4ExprES3_EEvPT_PT0_ + 90
15  clang                               0x00199d2b
_ZNK5clang14BinaryOperator8EmitImplERN4llvm10SerializerE + 133
16  clang                               0x00198129
_ZNK5clang4Stmt4EmitERN4llvm1ang4StmtEE4EmitERNS_10SerializerERKS2_ + 24
18  clang                               0x001ab07e
_ZN4llvm10Serializer12EmitOwnedPtrIN5clang4StmtEEEvPT_ + 48
19  clang                               0x0019934b
_ZNK5clang12CompoundStmt8EmitImplERN4llvm10SerializerE + 133
20  clang                               0x00198129
_ZNK5clang4Stmt4EmitERN4llvm10SerializerE + 77
21  clang                               0x001ab04c
_ZN4llvm14SerializeTraitIN5clang4StmtEE4EmitERNS_10SerializerERKS2_ + 24
22  clang                               0x0017948c
_ZN4llvm10Serializer18BatchEmitOwnedPtrsIN5clang4StmtEKNS2_10ScopedDeclEEEvPT_PT0_
+ 66
23  clang                               0x00178a15
_ZNK5clang12FunctionDecl8EmitImplERN4llvm10SerializerE + 267
24  clang                               0x00177926
_ZNK5clang4Decl4EmitERN4llvm10SerializerE + 66
25  clang                               0x001a24ee
_ZN4llvm14SerializeTraitIN5clang4DeclEE4EmitERNS_10SerializerERKS2_ + 24
26  clang                               0x001a2520
_ZN4llvm10Serializer12EmitOwnedPtrIN5clang4DeclEEEvPT_ + 48
27  clang                               0x001a0d94
_ZNK5clang15TranslationUnit4EmitERN4llvm10SerializerE + 126
28  clang                               0x001a1b2c
_ZN5clang20EmitASTBitcodeBufferERKNS_15TranslationUnitERSt6vectorIhSaIhEE + 232
29  clang                               0x001a1bb1
_ZN5clang18EmitASTBitcodeFileERKNS_15TranslationUnitERKN4llvm3sys4PathE + 91
30  clang                               0x001a1c5c
_ZN5clang18EmitASTBitcodeFileEPKNS_15TranslationUnitERKN4llvm3sys4PathE + 30
31  clang                               0x00004685
_ZN45_GLOBAL__N_ASTConsumers.cpp_00000000_E376D94A20SingleFileSerializer21HandleTranslationUnitERN5clang15TranslationUnitE
+ 45
32  clang                               0x0010913b
_ZN5clang8ParseASTERNS_12PreprocessorEPNS_11ASTConsumerEb + 455
33  clang                               0x0002a68b
_Z16InitializeGCModeRN5clang11LangOptionsE + 5911
34  clang                               0x0002da95 main + 1693
35  clang                               0x00001e6e start + 54
Abort trap


-- 
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.