mstorsjo wrote:
This change broke building for 32 bit architectures (noted with both
Clang/libc++ and GCC/libstdc++, for i686 and arm):
https://github.com/mstorsjo/llvm-mingw/actions/runs/23325141806/job/67857046400
```
/home/runner/work/llvm-mingw/llvm-mingw/llvm-project/clang/lib/AST/TemplateBase.cpp:753:13:
error: no viable overloaded '='
753 | Pointer = reinterpret_cast<void *>((TrivialLoc.getRawEncoding() +
1u)
| ~~~~~~~ ^
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
754 | << LowBitsRequired);
| ~~~~~~~~~~~~~~~~~~~
/home/runner/work/llvm-mingw/llvm-mingw/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:185:23:
note: candidate function not viable: cannot convert argument of incomplete
type 'void *' to 'std::nullptr_t' for 1st argument
185 | const PointerUnion &operator=(std::nullptr_t) {
| ^ ~~~~~~~~~~~~~~
/home/runner/work/llvm-mingw/llvm-mingw/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:54:9:
note: candidate function (the implicit copy assignment operator) not viable:
cannot convert argument of incomplete type 'void *' to 'const
PointerUnionMembers<llvm::PointerUnion<clang::TemplateArgumentLocInfo::TemplateTemplateArgLocInfo
*, clang::Expr *, clang::TypeSourceInfo *, clang::SourceLocation *>,
llvm::PointerIntPair<void *, 2, int,
llvm::pointer_union_detail::PointerUnionUIntTraits<clang::TemplateArgumentLocInfo::TemplateTemplateArgLocInfo
*, clang::Expr *, clang::TypeSourceInfo *, clang::SourceLocation *>>, 4>' for
1st argument
54 | class PointerUnionMembers<Derived, ValTy, I> {
| ^~~~~~~~~~~~~~~~~~~
/home/runner/work/llvm-mingw/llvm-mingw/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:54:9:
note: candidate function (the implicit move assignment operator) not viable:
cannot convert argument of incomplete type 'void *' to
'PointerUnionMembers<llvm::PointerUnion<clang::TemplateArgumentLocInfo::TemplateTemplateArgLocInfo
*, clang::Expr *, clang::TypeSourceInfo *, clang::SourceLocation *>,
llvm::PointerIntPair<void *, 2, int,
llvm::pointer_union_detail::PointerUnionUIntTraits<clang::TemplateArgumentLocInfo::TemplateTemplateArgLocInfo
*, clang::Expr *, clang::TypeSourceInfo *, clang::SourceLocation *>>, 4>' for
1st argument
54 | class PointerUnionMembers<Derived, ValTy, I> {
| ^~~~~~~~~~~~~~~~~~~
/home/runner/work/llvm-mingw/llvm-mingw/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:77:14:
note: candidate function not viable: cannot convert argument of incomplete
type 'void *' to 'clang::SourceLocation *' for 1st argument
77 | Derived &operator=(Type V) {
| ^ ~~~~~~
[...]
```
https://github.com/llvm/llvm-project/pull/187352
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