std.hash: add xxhash to benchmark and fix its API

InternPool: pass by const pointer

Type: fix `@typeName` for `undefined`

behavior: update for different inferred error set order

Sema: fix sus overflow behavior in RangeSetUnhandledIterator

Sema: port lazy value usage to be InternPool aware

InternPool: eliminate indexToKey call graph cycle

InternPool: avoid indexToKey recursion for type_enum_auto

Module: add allowzero canonicalization to pointer types

Sema: fix vector comparison and interning of -0

Sema: fix pointer arithmetic on single array pointers

InternPool: avoid indexToKey recursion for ptr_slice

InternPool: avoid indexToKey recursion for opt_payload

InternPool: avoid indexToKey recursion for only_possible_value

InternPool: avoid indexToKey recursion for ptr_elem,ptr_field

InternPool: avoid indexToKey recursion for type_slice

cbe: fix InternPool regressions

x86_64: fix InternPool regressions

InternPool: fix various pointer issues

behavior: fix more compiler crashes

behavior: additional llvm fixes

Module: move memoized data to the intern pool

behavior: pass more tests on llvm again

behavior: get more test cases passing with llvm

InternPool: optimize zigTypeTag()

C backend: InternPool fixes

CLI: introduce --verbose-intern-pool

compiler: fix populateTestFunctions InternPool usage

AstGen: generate tests with anyerror!void

InternPool: correct the logic for struct size dump

InternPool: fix build-exe and compiler-rt crashes

Module: rename functions to make ownership checks explicit

codegen: fix lowering of constant structs

llvm: simplify control flow lowering structs

wasm: fix error union constant lowering

TypedValue: implement more prints

InternPool: fix more crashes

AIR: eliminate the `values` array

InternPool: fix enough crashes to run `build-obj` on a simple program

Module: intern the values of decls when they are marked alive

Sema: inferred allocations no longer abuse type/value system

Sema: fix some issues with the inferred alloc tag change

Air: remove constant tag

InternPool: fix crashes up to in progress comptime mutation

InternPool: remove more legacy values

InternPool: port most of value tags

InternPool: support int->comptime_int in getCoerced

Sema: update zirSliceLength to avoid resolveInst(.none)

Sema: improve the types_to_resolve mechanism

remove the kludges from std.builtin

llvm: fix incorrect slice lowering

InternPool: add lldb pretty printing for indices

Value: remove legacy type values

TypedValue: fix debug print crashes

InternPool: add missing logic

InternPool: fix logic bugs

InternPool: add more pointer values

InternPool: fix coersion issues

Type: hack around `isNoReturn` queries for the remaining legacy tags

InternPool: add missing ensureCapacity call with enums

Sema: move `inferred_alloc_const/mut_type` to InternPool

Module: remove tmp_hack_arena

compiler: remove var_args_param_type from SimpleType

Value: add `intern` and `unintern` to facilitate code conversion

Sema: port Value.decl_ptr to InternPool

Sema: port reify struct access to use InternPool

Sema: add coerceTupleToStruct result to the InternPool

InternPool: add repeated aggregate storage

compiler: move error union types and error set types to InternPool

compiler: eliminate legacy Type.Tag.pointer

compiler: eliminate legacy Type.Tag.optional

compiler: move `anyframe->T` to InternPool

stage2: move function types to InternPool

stage2: encode one-possible-value tuple specially

stage2: move anon tuples and anon structs to InternPool

stage2: move enum tag values into the InternPool

stage2: remove legacy Type array and array_sentinel

InternPool: transition float values

stage2: move enum types into the InternPool

InternPool: fix deinit leaking inner maps

InternPool: ability to encode enums

add std.hash.uint32

stage2: move union types and values to InternPool

stage2: move struct types and aggregate values to InternPool

stage2: move opaque types to InternPool

InternPool: add optional values

InternPool: add ptr-to-int value

InternPool: add indexToKey for empty struct types

Sema: introduce Value.enum_field_0

stage2: more InternPool related fixes

stage2: move empty struct type and value to InternPool

InternPool: add an int_u8 value encoding

stage2: more InternPool-related fixes

stage2: implement intTagType logic

stage2: bug fixes related to Type/Value/InternPool

InternPool: fix UAF in getCoercedInt and add u16 int value encoding

Replace uses of Value.zero, Value.one, Value.negative_one

InternPool: add getCoercedInt to avoid copy in Sema

wip: progress towards compiling tests

InternPool: implement indexToKey and equality for int values