vitalybuka wrote:
This is causing new/delete mismatch
https://lab.llvm.org/buildbot/#/builders/168/builds/20063
```
=================================================================
==2164144==ERROR: AddressSanitizer: new-delete-type-mismatch on 0x5030000035b0
in thread T0:
object passed to delete has wrong type:
size of the allocated type: 25 bytes;
size of the deallocated type: 24 bytes.
#0 0x555c21886d82 in operator delete(void*, unsigned long)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/compiler-rt/lib/asan/asan_new_delete.cpp:155:3
#1 0x555c21a2d47c in __libcpp_operator_delete<void *, unsigned long>
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/new:279:3
#2 0x555c21a2d47c in __do_deallocate_handle_size<>
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/new:303:10
#3 0x555c21a2d47c in __libcpp_deallocate
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/new:316:12
#4 0x555c21a2d47c in deallocate
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/__memory/allocator.h:133:7
#5 0x555c21a2d47c in deallocate
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/__memory/allocator_traits.h:312:9
#6 0x555c21a2d47c in ~basic_string
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/string:1126:7
#7 0x555c21a2d47c in
llvm::TGParser::addDefOne(std::__1::unique_ptr<llvm::Record,
std::__1::default_delete<llvm::Record>>)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:545:22
#8 0x555c21a2bc41 in llvm::TGParser::addEntry(llvm::RecordsEntry)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:416:10
#9 0x555c21a5948e in llvm::TGParser::ParseDef(llvm::MultiClass*)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:3625:10
#10 0x555c21a5ccab in llvm::TGParser::ParseObject(llvm::MultiClass*)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:4325:31
#11 0x555c21a651f1 in ParseObjectList
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:4356:9
#12 0x555c21a651f1 in llvm::TGParser::ParseFile()
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:4365:7
#13 0x555c219ba36f in llvm::TableGenMain(char const*,
std::__1::function<bool (llvm::raw_ostream&, llvm::RecordKeeper&)>)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/Main.cpp:125:14
#14 0x555c218986c5 in main
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/TableGen/TableGen.cpp:84:10
#15 0x7f0373e2814f (/lib/x86_64-linux-gnu/libc.so.6+0x2814f) (BuildId:
6a981b07a3731293c24c10a21397416d3c3d52ed)
#16 0x7f0373e28208 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x28208) (BuildId:
6a981b07a3731293c24c10a21397416d3c3d52ed)
#17 0x555c217b2cb4 in _start
(/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-min-tblgen+0x134cb4)
0x5030000035b0 is located 0 bytes inside of 25-byte region
[0x5030000035b0,0x5030000035c9)
allocated by thread T0 here:
#0 0x555c2188611d in operator new(unsigned long)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/compiler-rt/lib/asan/asan_new_delete.cpp:86:3
#1 0x555c219f9c45 in __libcpp_operator_new<unsigned long>
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/new:270:10
#2 0x555c219f9c45 in __libcpp_allocate
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/new:294:10
#3 0x555c219f9c45 in allocate
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/__memory/allocator.h:119:32
#4 0x555c219f9c45 in __allocate_at_least<std::__1::allocator<char> >
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/__memory/allocate_at_least.h:41:19
#5 0x555c219f9c45 in __init
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/string:2228:25
#6 0x555c219f9c45 in basic_string<llvm::StringRef, 0>
/b/sanitizer-x86_64-linux-bootstrap-asan/build/libcxx_build_asan/include/c++/v1/string:1071:5
#7 0x555c219f9c45 in llvm::StringInit::getAsUnquotedString() const
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/include/llvm/TableGen/Record.h:736:12
#8 0x555c21a2d398 in getNameInitAsString
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/include/llvm/TableGen/Record.h:1718:27
#9 0x555c21a2d398 in
llvm::TGParser::addDefOne(std::__1::unique_ptr<llvm::Record,
std::__1::default_delete<llvm::Record>>)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:545:42
#10 0x555c21a2bc41 in llvm::TGParser::addEntry(llvm::RecordsEntry)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:416:10
#11 0x555c21a5948e in llvm::TGParser::ParseDef(llvm::MultiClass*)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:3625:10
#12 0x555c21a5ccab in llvm::TGParser::ParseObject(llvm::MultiClass*)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:4325:31
#13 0x555c21a651f1 in ParseObjectList
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:4356:9
#14 0x555c21a651f1 in llvm::TGParser::ParseFile()
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/TGParser.cpp:4365:7
#15 0x555c219ba36f in llvm::TableGenMain(char const*,
std::__1::function<bool (llvm::raw_ostream&, llvm::RecordKeeper&)>)
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/lib/TableGen/Main.cpp:125:14
#16 0x555c218986c5 in main
/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/TableGen/TableGen.cpp:84:10
#17 0x7f0373e2814f (/lib/x86_64-linux-gnu/libc.so.6+0x2814f) (BuildId:
6a981b07a3731293c24c10a21397416d3c3d52ed)
```
https://github.com/llvm/llvm-project/pull/83774
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