[llvm-bugs] [Bug 43416] New: After r360109, Assertion failed: (Chunk.Kind == DeclaratorChunk::Function), function VisitFunctionTypeLoc, file clang/lib/Sema/SemaType.cpp, line 5642.
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llvm-bugs at lists.llvm.org
Mon Sep 23 12:11:03 PDT 2019
https://bugs.llvm.org/show_bug.cgi?id=43416
Bug ID: 43416
Summary: After r360109, Assertion failed: (Chunk.Kind ==
DeclaratorChunk::Function), function
VisitFunctionTypeLoc, file
clang/lib/Sema/SemaType.cpp, line 5642.
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: dimitry at andric.com
CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
neeilans at live.com, richard-llvm at metafoo.co.uk
As reported in https://bugs.freebsd.org/240764, clang 9.0.0 (and recent trunk)
give an assertion when compiling parts of VirtualBox:
Assertion failed: (Chunk.Kind == DeclaratorChunk::Function), function
VisitFunctionTypeLoc, file
/home/dim/src/llvm/trunk/tools/clang/lib/Sema/SemaType.cpp, line 5655.
#0 thr_kill () at thr_kill.S:3
#1 0x0000000804e2d934 in __raise (s=6) at /usr/src/lib/libc/gen/raise.c:52
#2 0x0000000804da0d99 in abort () at /usr/src/lib/libc/stdlib/abort.c:67
#3 0x0000000804e1d5c1 in __assert (func=<optimized out>, file=<optimized out>,
line=<optimized out>, failedexpr=<optimized out>) at
/usr/src/lib/libc/gen/assert.c:51
#4 0x00000000044abdd9 in ?? ()
#5 0x0000000004493e29 in ?? ()
#6 0x000000000448935b in clang::Sema::GetTypeForDeclarator(clang::Declarator&,
clang::Scope*) ()
#7 0x0000000003ec8630 in clang::Sema::HandleDeclarator(clang::Scope*,
clang::Declarator&, llvm::MutableArrayRef<clang::TemplateParameterList*>) ()
#8 0x0000000003ec823b in clang::Sema::ActOnDeclarator(clang::Scope*,
clang::Declarator&) ()
#9 0x0000000003cb9112 in
clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*) ()
#10 0x0000000003cb7e59 in
clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
()
#11 0x0000000003cb302c in
clang::Parser::ParseSimpleDeclaration(clang::DeclaratorContext,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&, bool,
clang::Parser::ForRangeInit*, clang::SourceLocation*) ()
#12 0x0000000003cb2a33 in
clang::Parser::ParseDeclaration(clang::DeclaratorContext,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&,
clang::SourceLocation*) ()
#13 0x0000000003c85944 in
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) ()
#14 0x0000000003c8401e in
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool)
()
#15 0x0000000003c7ed17 in clang::ParseAST(clang::Sema&, bool, bool) ()
#16 0x00000000033d9413 in clang::FrontendAction::Execute() ()
#17 0x0000000003352348 in
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) ()
#18 0x000000000347e8a5 in
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) ()
#19 0x00000000016696bc in cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) ()
#20 0x00000000016670d7 in main ()
This regressed with https://reviews.llvm.org/rL360109 (Recommit r359859
"[Attribute/Diagnostics] Print macro if definition is an attribute
declaration").
Minimized test case:
// clang -cc1 -triple x86_64-- -S tstVMStructRC-min.cpp
#define a __attribute__((__cdecl__, __regparm__(0)))
int(a b)();
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