[LLVMdev] Valgrind memcheck errors in llvm

[Yuri]

I have ran under valgrind memcheck the process using libLLVM-2.9.so  
(rev.126022) and got several errors:

==24227== Invalid read of size 1
==24227==    at 0x40274C9: memcpy (mc_replace_strmem.c:497)
==24227==    by 0x40D5B84: char* std::string::_S_construct<char  
const*>(char const*, char const*, std::allocator<char> const&,  
std::forward_iterator_tag) (in /usr/lib/libstdc++.so.6.0.14)
==24227==    by 0x40D5C50: std::basic_string<char,  
std::char_traits<char>, std::allocator<char> >::basic_string(char  
const*, unsigned int, std::allocator<char> const&) (in  
/usr/lib/libstdc++.so.6.0.14)
==24227==    by 0x97074CE: llvm::StringRef::str() const (StringRef.h:159)
==24227==    by 0x970750E: llvm::StringRef::operator std::string()  
const (StringRef.h:176)
==24227==    by 0x9D22519: llvm::Module::Module(llvm::StringRef,  
llvm::LLVMContext&) (Module.cpp:61)
==24227==    by 0x99FCD1D:  
llvm::getLazyBitcodeModule(llvm::MemoryBuffer*, llvm::LLVMContext&,  
std::string*) (BitcodeReader.cpp:2641)
==24227==    by 0x99FCDF8: llvm::ParseBitcodeFile(llvm::MemoryBuffer*,  
llvm::LLVMContext&, std::string*) (BitcodeReader.cpp:2660)

==24227== Mismatched free() / delete / delete []
==24227==    at 0x40257ED: free (vg_replace_malloc.c:366)
==24227==    by 0x9D765EF: llvm::ExecutionEngine::~ExecutionEngine()  
(ExecutionEngine.cpp:74)
==24227==    by 0x9E5F56A: llvm::JIT::~JIT() (JIT.cpp:347)
==24227==    by 0x9E5F5A6: llvm::JIT::~JIT() (JIT.cpp:355)

==24227== Invalid read of size 1
==24227==    at 0x4026CBC: strlen (mc_replace_strmem.c:282)
==24227==    by 0x96EA852: llvm::StringRef::StringRef(char const*)  
(StringRef.h:59)
==24227==    by 0x99FCCF0:  
llvm::getLazyBitcodeModule(llvm::MemoryBuffer*, llvm::LLVMContext&,  
std::string*) (BitcodeReader.cpp:2641)
==24227==    by 0x99FCDF8: llvm::ParseBitcodeFile(llvm::MemoryBuffer*,  
llvm::LLVMContext&, std::string*) (BitcodeReader.cpp:2660)

==24227== Mismatched free() / delete / delete []
==24227==    at 0x4025504: operator delete(void*) (vg_replace_malloc.c:387)
==24227==    by 0x9C69C09: llvm::BasicBlock::~BasicBlock() (BasicBlock.cpp:83)
==24227==    by 0x9C6B509:  
llvm::ilist_node_traits<llvm::BasicBlock>::deleteNode(llvm::BasicBlock*) (in  
/usr/local/llvm/svn-r126022.dbg/lib/libLLVM-2.9svn.so)
==24227==    by 0x9C6B103: llvm::iplist<llvm::BasicBlock,  
llvm::ilist_traits<llvm::BasicBlock>  
 >::erase(llvm::ilist_iterator<llvm::BasicBlock>) (ilist.h:463)
==24227==    by 0x9C69D1E: llvm::BasicBlock::eraseFromParent()  
(BasicBlock.cpp:101)
==24227==    by 0x9CB6940: llvm::Function::dropAllReferences()  
(Function.cpp:233)
==24227==    by 0x9D23754: llvm::Module::dropAllReferences() (Module.cpp:449)
==24227==    by 0x9D225E9: llvm::Module::~Module() (Module.cpp:70)