<html>
<head>
<base href="http://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - assertion "Unexpected unresolved node""
href="http://llvm.org/bugs/show_bug.cgi?id=22016">22016</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>assertion "Unexpected unresolved node"
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>LLVM Codegen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nlewycky@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Testcase:
class A {
virtual void m_fn1(int, const char *...);
};
class B : virtual A {
void m_fn1(int, const char *...);
};
void B::m_fn1(int, const char *...) {}
Repro with: clang -cc1 -emit-llvm-only -std=gnu++11 -gline-tables-only
b18836146.cc
clang: ValueMapper.cpp:190: llvm::Metadata *MapMetadataImpl(const
llvm::Metadata *, ValueToValueMapTy &, llvm::RemapFlags,
llvm::ValueMapTypeRemapper *, llvm::ValueMaterializer *): Assertion
`Node->isResolved() && "Unexpected unresolved node"' failed.
[...]
9 clang 0x0000000003e90753 llvm::MapMetadata(llvm::Metadata const*,
llvm::ValueMap<llvm::Value const*, llvm::WeakVH,
llvm::ValueMapConfig<llvm::Value const*, llvm::sys::SmartMutex<false> > >&,
llvm::RemapFlags, llvm::ValueMapTypeRemapper*, llvm::ValueMaterializer*) + 51
10 clang 0x0000000003e90d8e llvm::MapMetadata(llvm::MDNode const*,
llvm::ValueMap<llvm::Value const*, llvm::WeakVH,
llvm::ValueMapConfig<llvm::Value const*, llvm::sys::SmartMutex<false> > >&,
llvm::RemapFlags, llvm::ValueMapTypeRemapper*, llvm::ValueMaterializer*) + 62
11 clang 0x0000000003e9103b
llvm::RemapInstruction(llvm::Instruction*, llvm::ValueMap<llvm::Value const*,
llvm::WeakVH, llvm::ValueMapConfig<llvm::Value const*,
llvm::sys::SmartMutex<false> > >&, llvm::RemapFlags,
llvm::ValueMapTypeRemapper*, llvm::ValueMaterializer*) + 667
12 clang 0x0000000003e03cfb llvm::CloneFunctionInto(llvm::Function*,
llvm::Function const*, llvm::ValueMap<llvm::Value const*, llvm::WeakVH,
llvm::ValueMapConfig<llvm::Value const*, llvm::sys::SmartMutex<false> > >&,
bool, llvm::SmallVectorImpl<llvm::ReturnInst*>&, char const*,
llvm::ClonedCodeInfo*, llvm::ValueMapTypeRemapper*, llvm::ValueMaterializer*) +
1595
13 clang 0x0000000003e0419b llvm::CloneFunction(llvm::Function
const*, llvm::ValueMap<llvm::Value const*, llvm::WeakVH,
llvm::ValueMapConfig<llvm::Value const*, llvm::sys::SmartMutex<false> > >&,
bool, llvm::ClonedCodeInfo*) + 907
14 clang 0x0000000000ea6d7d
clang::CodeGen::CodeGenFunction::GenerateVarArgsThunk(llvm::Function*,
clang::CodeGen::CGFunctionInfo const&, clang::GlobalDecl, clang::ThunkInfo
const&) + 317
15 clang 0x0000000000ea9f12
clang::CodeGen::CodeGenVTables::emitThunk(clang::GlobalDecl, clang::ThunkInfo
const&, bool) + 946
16 clang 0x0000000000eaa567
clang::CodeGen::CodeGenVTables::EmitThunks(clang::GlobalDecl) + 247
17 clang 0x0000000000ecec33
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*) + 595
18 clang 0x0000000000ed10cc
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) + 876
19 clang 0x0000000000ed4735
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) + 245
[...]
Stack dump:
0. Program arguments: llvm/Debug+Asserts/bin/clang -cc1 -emit-llvm-only
-std=gnu++11 -gline-tables-only a.cc
1. <eof> parser at end of file
2. a.cc:7:9: LLVM IR generation of declaration 'B::m_fn1'
3. a.cc:7:9: Generating code for declaration 'B::m_fn1'
Aborted (core dumped)</pre>
</div>
</p>
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