[PATCH] D129206: [ADT] Use Empty Base Optimization for Allocators
Martin Storsjö via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 13 01:40:18 PDT 2022
mstorsjo added a comment.
This broke building lldb with GCC 9:
In file included from ../tools/lldb/include/lldb/Host/Host.h:14,
from ../tools/lldb/source/Host/common/File.cpp:28:
../tools/lldb/include/lldb/Utility/Environment.h: In copy constructor ‘lldb_private::Environment::Environment(const lldb_private::Environment&)’:
../tools/lldb/include/lldb/Utility/Environment.h:60:49: error: call of overloaded ‘StringMap(const lldb_private::Environment&)’ is ambiguous
60 | Environment(const Environment &RHS) : Base(RHS) {}
| ^
In file included from ../include/llvm/Support/YAMLTraits.h:16,
from ../tools/lldb/include/lldb/Utility/ConstString.h:15,
from ../tools/lldb/include/lldb/Utility/FileSpec.h:15,
from ../tools/lldb/include/lldb/Host/FileSystem.h:14,
from ../tools/lldb/source/Host/common/File.cpp:27:
../include/llvm/ADT/StringMap.h:137:3: note: candidate: ‘llvm::StringMap<ValueTy, AllocatorTy>::StringMap(const llvm::StringMap<ValueTy, AllocatorTy>&) [with ValueTy = std::__cxx11::basic_string<char>; AllocatorTy = llvm::MallocAllocator]’
137 | StringMap(const StringMap &RHS)
| ^~~~~~~~~
../include/llvm/ADT/StringMap.h:122:12: note: candidate: ‘llvm::StringMap<ValueTy, AllocatorTy>::StringMap(AllocatorTy) [with ValueTy = std::__cxx11::basic_string<char>; AllocatorTy = llvm::MallocAllocator]’
122 | explicit StringMap(AllocatorTy A)
| ^~~~~~~~~
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https://reviews.llvm.org/D129206/new/
https://reviews.llvm.org/D129206
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