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| author | Chris Lattner <sabre@nondot.org> | 2009-01-05 18:19:46 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-01-05 18:19:46 +0000 |
| commit | c38daba25b66f9a0386fc28861db66e62663310d (patch) | |
| tree | 65e9daa07c4095d7391160dcecf521a0dd92d021 | |
| parent | 0b6163506359223fb0f74d856099ee4d5e768ebe (diff) | |
| download | external_llvm-c38daba25b66f9a0386fc28861db66e62663310d.zip external_llvm-c38daba25b66f9a0386fc28861db66e62663310d.tar.gz external_llvm-c38daba25b66f9a0386fc28861db66e62663310d.tar.bz2 | |
reject PR3281:crash09.ll with this diagnostic:
llvm-as: crash09.ll:3:1: self referential type is invalid
type %0
^
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61720 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/AsmParser/LLParser.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp index da8cb4d..27dbf88 100644 --- a/lib/AsmParser/LLParser.cpp +++ b/lib/AsmParser/LLParser.cpp @@ -238,6 +238,9 @@ bool LLParser::ParseUnnamedType() { std::map<unsigned, std::pair<PATypeHolder, LocTy> >::iterator FI = ForwardRefTypeIDs.find(TypeID); if (FI != ForwardRefTypeIDs.end()) { + if (FI->second.first.get() == Ty) + return Error(TypeLoc, "self referential type is invalid"); + cast<DerivedType>(FI->second.first.get())->refineAbstractTypeTo(Ty); Ty = FI->second.first.get(); ForwardRefTypeIDs.erase(FI); @@ -275,6 +278,9 @@ bool LLParser::ParseNamedType() { std::map<std::string, std::pair<PATypeHolder, LocTy> >::iterator FI = ForwardRefTypes.find(Name); if (FI != ForwardRefTypes.end()) { + if (FI->second.first.get() == Ty) + return Error(NameLoc, "self referential type is invalid"); + cast<DerivedType>(FI->second.first.get())->refineAbstractTypeTo(Ty); Ty = FI->second.first.get(); ForwardRefTypes.erase(FI); |