<html>
<head>
<base href="https://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 `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed from EvaluateUnaryTypeTrait in lib/Sema/SemaExprCXX.cpp"
href="https://llvm.org/bugs/show_bug.cgi?id=29087">29087</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed from EvaluateUnaryTypeTrait in lib/Sema/SemaExprCXX.cpp
</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>C++11
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>twoh@fb.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=17023" name="attach_17023" title="preprocess test case">attachment 17023</a> <a href="attachment.cgi?id=17023&action=edit" title="preprocess test case">[details]</a></span>
preprocess test case
### Repro test case:
#include <cassert>
struct X {
X() {}
};
struct Y : public X {
public:
using X::X;
};
int main() {
assert(__has_nothrow_constructor(Y));
}
### Stack trace:
/data/users/twoh/llvms/latest-dev/build-debug/bin/clang -std=c++11 -O0 -c -o
test.o test.cpp
clang-3.9: /home/twoh/llvms/latest-dev/llvm/include/llvm/Support/Casting.h:237:
typename llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X =
clang::CXXConstructorDecl; Y = const clang::NamedDecl; typename
llvm::cast_retty<X, Y*>::ret_type = const clang::CXXConstructorDecl*]:
Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
#0 0x000000000290683d llvm::sys::PrintStackTrace(llvm::raw_ostream&)
/home/twoh/llvms/latest-dev/llvm/lib/Support/Unix/Signals.inc:402:0
#1 0x0000000002906bff PrintStackTraceSignalHandler(void*)
/home/twoh/llvms/latest-dev/llvm/lib/Support/Unix/Signals.inc:470:0
#2 0x0000000002904f6a llvm::sys::RunSignalHandlers()
/home/twoh/llvms/latest-dev/llvm/lib/Support/Signals.cpp:44:0
#3 0x00000000029061ce SignalHandler(int)
/home/twoh/llvms/latest-dev/llvm/lib/Support/Unix/Signals.inc:256:0
#4 0x00007f373bebc100 __restore_rt (/lib64/libpthread.so.0+0xf100)
#5 0x00007f373aab45f7 __GI_raise (/lib64/libc.so.6+0x355f7)
#6 0x00007f373aab5ce8 __GI_abort (/lib64/libc.so.6+0x36ce8)
#7 0x00007f373aaad566 __assert_fail_base (/lib64/libc.so.6+0x2e566)
#8 0x00007f373aaad612 (/lib64/libc.so.6+0x2e612)
#9 0x0000000002ccc4a0 llvm::cast_retty<clang::CXXConstructorDecl,
clang::NamedDecl const*>::ret_type llvm::cast<clang::CXXConstructorDecl,
clang::NamedDecl const>(clang::NamedDecl const*)
/home/twoh/llvms/latest-dev/llvm/include/llvm/Support/Casting.h:239:0
#10 0x00000000045e91f5 EvaluateUnaryTypeTrait(clang::Sema&, clang::TypeTrait,
clang::SourceLocation, clang::QualType)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Sema/SemaExprCXX.cpp:4262:0
#11 0x00000000045e94a4 evaluateTypeTrait(clang::Sema&, clang::TypeTrait,
clang::SourceLocation, llvm::ArrayRef<clang::TypeSourceInfo*>,
clang::SourceLocation)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Sema/SemaExprCXX.cpp:4325:0
#12 0x00000000045e9db1 clang::Sema::BuildTypeTrait(clang::TypeTrait,
clang::SourceLocation, llvm::ArrayRef<clang::TypeSourceInfo*>,
clang::SourceLocation)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Sema/SemaExprCXX.cpp:4450:0
#13 0x00000000045e9f44 clang::Sema::ActOnTypeTrait(clang::TypeTrait,
clang::SourceLocation, llvm::ArrayRef<clang::OpaquePtr<clang::QualType> >,
clang::SourceLocation)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Sema/SemaExprCXX.cpp:4471:0
#14 0x0000000003fab253 clang::Parser::ParseTypeTrait()
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExprCXX.cpp:3025:0
#15 0x0000000003f95009 clang::Parser::ParseCastExpression(bool, bool, bool&,
clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:1318:0
#16 0x0000000003f9179a clang::Parser::ParseCastExpression(bool, bool,
clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:481:0
#17 0x0000000003f90450
clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:170:0
#18 0x0000000003f90254
clang::Parser::ParseExpression(clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:120:0
#19 0x0000000003f99e6b
clang::Parser::ParseParenExpression(clang::Parser::ParenParseOption&, bool,
bool, clang::OpaquePtr<clang::QualType>&, clang::SourceLocation&)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:2412:0
#20 0x0000000003f91af7 clang::Parser::ParseCastExpression(bool, bool, bool&,
clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:723:0
#21 0x0000000003f9179a clang::Parser::ParseCastExpression(bool, bool,
clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:481:0
#22 0x0000000003f90450
clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:170:0
#23 0x0000000003f90254
clang::Parser::ParseExpression(clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:120:0
#24 0x0000000003f99e6b
clang::Parser::ParseParenExpression(clang::Parser::ParenParseOption&, bool,
bool, clang::OpaquePtr<clang::QualType>&, clang::SourceLocation&)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:2412:0
#25 0x0000000003f91af7 clang::Parser::ParseCastExpression(bool, bool, bool&,
clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:723:0
#26 0x0000000003f9179a clang::Parser::ParseCastExpression(bool, bool,
clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:481:0
#27 0x0000000003f90450
clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:170:0
#28 0x0000000003f90254
clang::Parser::ParseExpression(clang::Parser::TypeCastState)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseExpr.cpp:120:0
#29 0x0000000003fdb4f5 clang::Parser::ParseExprStatement()
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseStmt.cpp:400:0
#30 0x0000000003fdad76
clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::AllowedContsructsKind, clang::SourceLocation*,
clang::Parser::ParsedAttributesWithRange&)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseStmt.cpp:223:0
#31 0x0000000003fda702
clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::AllowedContsructsKind, clang::SourceLocation*)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseStmt.cpp:111:0
#32 0x0000000003fdd6bd clang::Parser::ParseCompoundStatementBody(bool)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseStmt.cpp:985:0
#33 0x0000000003fe0ddb clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseStmt.cpp:1949:0
#34 0x0000000003f3bf31
clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/Parser.cpp:1191:0
#35 0x0000000003f570e2 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
unsigned int, clang::SourceLocation*, clang::Parser::ForRangeInit*)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseDecl.cpp:1795:0
#36 0x0000000003f3b03a
clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec&, clang::AccessSpecifier)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/Parser.cpp:959:0
#37 0x0000000003f3b0f2
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*, clang::AccessSpecifier)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/Parser.cpp:974:0
#38 0x0000000003f3a7d5
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/Parser.cpp:826:0
#39 0x0000000003f39bac
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/Parser.cpp:613:0
#40 0x0000000003f360f8 clang::ParseAST(clang::Sema&, bool, bool)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Parse/ParseAST.cpp:154:0
#41 0x00000000030a4526 clang::ASTFrontendAction::ExecuteAction()
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Frontend/FrontendAction.cpp:559:0
#42 0x00000000034d35c4 clang::CodeGenAction::ExecuteAction()
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/CodeGen/CodeGenAction.cpp:868:0
#43 0x00000000030a3fcd clang::FrontendAction::Execute()
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Frontend/FrontendAction.cpp:462:0
#44 0x0000000003054cea
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/Frontend/CompilerInstance.cpp:872:0
#45 0x00000000031bcf22
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
/home/twoh/llvms/latest-dev/llvm/tools/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:246:0
#46 0x00000000016aa8c4 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*)
/home/twoh/llvms/latest-dev/llvm/tools/clang/tools/driver/cc1_main.cpp:185:0
#47 0x00000000016a1023 ExecuteCC1Tool(llvm::ArrayRef<char const*>,
llvm::StringRef)
/home/twoh/llvms/latest-dev/llvm/tools/clang/tools/driver/driver.cpp:299:0
#48 0x00000000016a1aaa main
/home/twoh/llvms/latest-dev/llvm/tools/clang/tools/driver/driver.cpp:380:0
#49 0x00007f373aaa0b15 __libc_start_main (/lib64/libc.so.6+0x21b15)
#50 0x000000000169e9c9 _start
(/data/users/twoh/llvms/latest-dev/build-debug/bin/clang-3.9+0x169e9c9)
Stack dump:
0. Program arguments:
/data/users/twoh/llvms/latest-dev/build-debug/bin/clang-3.9 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free -main-file-name
test.cpp -mrelocation-model static -mthread-model posix -mdisable-fp-elim
-fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables
-fuse-init-array -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb
-coverage-file /home/twoh/local/tasks/ice-example/test.o -resource-dir
/data/users/twoh/llvms/latest-dev/build-debug/bin/../lib/clang/4.0.0
-internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5
-internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5/x86_64-redhat-linux
-internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5/backward
-internal-isystem /usr/local/include -internal-isystem
/data/users/twoh/llvms/latest-dev/build-debug/bin/../lib/clang/4.0.0/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O0
-std=c++11 -fdeprecated-macro -fdebug-compilation-dir
/home/twoh/local/tasks/ice-example -ferror-limit 19 -fmessage-length 272
-fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option
-fcolor-diagnostics -o test.o -x c++ test.cpp
1. test.cpp:13:3 <Spelling=/usr/include/assert.h:87:9>: current parser
token ')'
2. test.cpp:12:12: parsing function body 'main'
3. test.cpp:12:12: in compound statement ('{}')
clang-3.9: error: unable to execute command: Aborted (core dumped)
clang-3.9: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 4.0.0 (trunk 279412)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /data/users/twoh/llvms/latest-dev/build-debug/bin
clang-3.9: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
clang-3.9: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-3.9: note: diagnostic msg: /tmp/test-6aff07.cpp
clang-3.9: note: diagnostic msg: /tmp/test-6aff07.sh
clang-3.9: note: diagnostic msg:
********************</pre>
</div>
</p>
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