https://llvm.org/bugs/show_bug.cgi?id=25501
Bug ID: 25501
Summary: Clang crashes with -fmodules to compile
clang-interpreter/main.cpp
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Modules
Assignee: unassignedclangb...@nondot.org
Reporter: geek4ci...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
Classification: Unclassified
Created attachment 15270
--> https://llvm.org/bugs/attachment.cgi?id=15270&action=edit
Reduced-testcase.zip (requires external libc++)
$ clang++ -std=c++11 -stdlib=libc++ -I llvm/include -I clang/include
-fsyntax-only -fmodules clang-interpreter-main.cpp
clang-3.8: clang/lib/Serialization/ASTReaderDecl.cpp:1493: void
clang::ASTDeclReader::MergeDefinitionData(clang::CXXRecordDecl *, struct
CXXRecordDecl::DefinitionData &&): Assertion
`Reader.Lookups.find(MergeDD.Definition) == Reader.Lookups.end() && "already
loaded pending lookups for merged definition"' failed.
A reduced testcase is attached. Excuse me, I haven't reduced libc++.
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