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Namespace types (`struct`, `enum`, `union`, `opaque`) do not use
structural equality - equivalence is based on their Decl index (and soon
will change to AST node + captures). However, we previously stored all
other information in the corresponding `InternPool.Key` anyway. For
logical consistency, it makes sense to have the key only be the true key
(that is, the Decl index) and to load all other data through another
function. This introduces those functions, by the name of
`loadStructType` etc. It's a big diff, but most of it is no-brainer
changes.
In future, it might be nice to eliminate a bunch of the loaded state in
favour of accessor functions on the `LoadedXyzType` types (like how we
have `LoadedUnionType.size()`), but that can be explored at a later
date.
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Part of an effort to ship more of the compiler in source form.
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This should avoid the random pointer invalidation crashes.
Closes #18954
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This commit only does the file rename to be friendlier to version
control conflicts.
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This change eliminates some problematic recursive logic in InternPool,
and provides a safer API.
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This is incredibly confusing and I really need to simplify it.
Elf also possesses this shortcoming so once I get Coff up to speed
it should hopefully become clear on how to refactor this.
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it's allocated differently and imported differently
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Closes #17513
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This avoids any arbitrary memory operand possibly clobbering rax and
sometime rdi with no warning.
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elf: handle emitting relocatables and static libraries - humble beginnings
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* 128-bit integer multiplication with overflow
* more instruction encodings used by std inline asm
* implement the `try_ptr` air instruction
* follow correct stack frame abi
* enable full panic handler
* enable stack traces
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The main goal of this commit is to remove the `runtime_value` field from
`InternPool.Key` (and its associated representation), but there are a
few dominos. Specifically, this mostly eliminates the "maybe runtime"
concept from value resolution in Sema: so some resolution functions like
`resolveMaybeUndefValAllowVariablesMaybeRuntime` are gone. This required
a small change to struct/union/array initializers, to no longer
use `runtime_value` if a field was a `variable` - I'm not convinced this
case was even reachable, as `variable` should only ever exist as the
trivial value of a global runtime `var` decl.
Now, the only case in which a `Sema.resolveMaybeUndefVal`-esque function
can return the `variable` key is `resolveMaybeUndefValAllowVariables`,
which is directly called from `Sema.resolveInstValueAllowVariables`
(previously `Sema.resolveInstValue`), which is only used for resolving
the value of a Decl from `Module.semaDecl`.
While changing these functions, I also slightly reordered and
restructured some of them, and updated their doc comments.
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Make distinct error limit configurable (attempt #2)
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This reverts commit 6f0198cadbe29294f2bf3153a27beebd64377566.
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This reverts commit 0c99ba1eab63865592bb084feb271cd4e4b0357e, reversing
changes made to 5f92b070bf284f1493b1b5d433dd3adde2f46727.
This caused a CI failure when it landed in master branch due to a
128-bit `@byteSwap` in std.mem.
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x86_64: start to enable `test-std` and `test-compiler-rt` testing
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Commit 5393e56500d499753dbc39704c0161b47d1e4d5c has a flaw pointed out
by @mlugg: the `ty` field of pointer values changes when comptime values
are pointer-casted. This commit introduces a new encoding which
additionally stores the "original pointer type" which is used to store
the alignment of the anonymous decl, and potentially other information
in the future such as section and pointer address space. However, this
new encoding is only used when the original pointer type differs from
the casted pointer type in a meaningful way.
I was able to make the LLVM backend and the C backend lower anonymous
decls with the appropriate alignment, however I will need some help
figuring out how to do this for the backends that lower anonymous decls
via src/codegen.zig and the wasm backend.
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