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agra 3eeb965925 issue 0151: UFCS dot-call leaves $R inferred from a closure return type via a pack unresolved 
A generic free fn whose `$R` is inferred from a worker `Closure(..$args) -> $R`
(+ trailing `..$args`) and which returns a type built from `$R` (`-> Wrap($R)`)
monomorphizes correctly when called directly (`f(recv, worker, ..)`) but leaves
`$R` UNRESOLVED when called via UFCS dot syntax (`recv.f(worker, ..)`) — the
unresolved type reaches LLVM emission and trips the `.unresolved` tripwire
(SIGTRAP). Distinct from RESOLVED issue 0119 (UFCS `$T` from receiver/slice).

Blocks the B1.2 user-facing async idiom `context.io.async((a,b) -> R => ..., x, y)`
(a UFCS call inferring $R from the worker closure's return type). The Io/async
library + compiler plumbing are in place and correct (landed in the prior
commit); only the UFCS call form hits this inference gap. Repro depends on no
project symbols beyond modules/std.sx; unpinned (no expected/ marker) so it
does not run in the corpus.
2026-06-20 22:21:38 +03:00
..
0019-import-non-transitive-c-scope.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0030-extern-global-declarations.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0030-extern-global-declarations.sx
refactor(ffi-linkage): Phase 9.3 — rename *-foreign* example files → extern/runtime names
2026-06-15 11:14:35 +03:00
0041-pointer-type-not-parsed-as-expression.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0042-const-decl-type-aliases-not-resolved-as-identifier.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0043-lazy-lower-loses-runtime-class-method-dispatch.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0044-sx-defined-objc-class-method-self-param-must-be-named-self.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0045-pack-fn-call-llvm-verifier-failure.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0046-comptime-fn-nested-print-with-return.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0047-run-output-on-stderr-runtime-on-stdout.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0048-bare-pack-args-slice-loses-len-across-call.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0049-new-form-variadic-cross-module-llvm-emit-crash.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0050-monomorphizeFunction-pack-state-leak.md
ffi issue-0050: monomorphizeFunction leaks pack-fn state — xfail lock-in
2026-05-27 21:44:39 +03:00
0051-macos-bundle-assets-cwd-relative.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0052-slice-of-protocol-variadic-not-erased.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0053-comptime-pack-spread-into-any-slice.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0054-generic-struct-to-param-protocol-erasure.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0055-binary-arith-no-operand-type-check.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0056-param-impl-not-deduped-across-diamond-import.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0057-xx-any-arg-in-imported-module-fn-segfaults.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0058-empty-debug-map-large-build.md
fix(dwarf): non-empty comp_dir so ld keeps the debug map (issue 0058)
2026-06-01 16:47:51 +03:00
0059-expr-lambda-inferred-return-unresolved-type.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0060-closure-literal-composition-miscompiles.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0061-dead-code-after-terminator-stmt.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0062-generic-failable-return-not-monomorphized.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0063-free-fn-ufcs-pointer-param-passes-by-value.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0064-nondollar-type-param-silent-empty-struct.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0065-block-expr-destructure-decl-parse.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0066-match-arm-negative-literal-phi-width.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0067-tuple-literal-type-nontype-fallback.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0068-value-const-used-as-type-suppresses-unknown-type.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0069-forward-identifier-type-alias-falsely-unknown.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0070-forward-alias-global-annotation-before-fixpoint.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0071-global-initializer-module-const-silent-zero.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0072-global-field-access-const-initializer-silent-zero.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0073-closure-literal-in-defer-segfault.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0074-ffi-arg-type-void-fallback.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0075-reflection-builtin-i64-type-fallback.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0076-stack-struct-addrof-passed-by-value.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0077-imported-reserved-type-name-binding.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0078-string-eq-operand-of-short-circuit-and-invalid-phi.md
fix(emit): PHI predecessor for and/or operand that emits sub-CFG (issue 0078)
2026-06-04 02:00:13 +03:00
0079-global-array-element-store-dropped.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0080-global-array-struct-literal-initializer-zero.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0081-global-aggregate-null-literal-rejected.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0082-global-enum-literal-initializer-zeroes.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0083-named-const-array-dimension-miscompiled.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0084-slice-literal-direct-call-arg-miscompiled.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0085-nested-slice-literal-elements-not-coerced.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0086-vector-lane-store-unresolved-panic.md
fix(ir): vector lane store resolves lane element type [F0.5]
2026-06-05 01:32:35 +03:00
0087-oversized-comptime-int-dimension-panics.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0088-typed-module-const-annotation-mismatch.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0089-backtick-raw-identifier.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0090-int-formatter-extremes.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0091-float-ne-ordered-nan.md
fix(backend): float != must be UNORDERED so nan != nan is true [F0.9]
2026-06-04 17:04:41 +03:00
0092-raw-reserved-value-numeric-limit-shadow.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0093-global-raw-value-numeric-limit-shadow.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0094-missing-struct-field-assignment-unresolved-panic.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0095-typed-local-float-int-narrowing.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0096-comptime-print-any-type-stops.md
fix(ir): comptime print of an Any-held Type no longer silently stops [F0.12]
2026-06-05 20:48:49 +03:00
0097-enum-value-failable-error-slot-corruption.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0098-enum-literal-non-enum-target-silent-zero.md
fix(0098): enum literal resolves against the unwrapped optional child; non-enum targets are diagnosed
2026-06-12 12:35:20 +03:00
0099-lsp-array-dim-identifier-panic.md
fix(lsp): identifier array dimension no longer panics the analyzer [0099]
2026-06-05 23:33:22 +03:00
0100-cross-module-same-name-fn-lowering-collision.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0101-postfix-bang-field-miscompile.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0102-flat-import-same-signature-collision.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0106-namespaced-import-bare-visibility-over-permissive.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0107-forward-alias-initial-scan-global-leak.md
fix(R1): own const_decl pending alias wins over flat imports (issue 0107)
2026-06-09 22:16:47 +03:00
0108-defer-skipped-on-break-continue.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0109-loop-body-alloca-stack-growth.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0110-for-array-by-value-full-array-spill.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0111-int-literal-local-adopts-fn-return-type.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0112-int-literal-out-of-range-silent-wrap.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0113-negative-literal-global-initializer-rejected.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0114-namespace-alias-transitive-first-wins.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0115-same-name-const-scalar-array-collision.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0116-const-write-not-rejected.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0117-pointer-to-array-index-unresolved-panic.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0118-cast-compound-type-arg-unresolved.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0119-ufcs-generic-free-function-unresolved.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0120-generic-struct-alias-head-unresolved-panic.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0121-pack-fn-alias-unresolved.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0122-whole-program-passes-ambient-source-context.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0123-call-arity-unchecked.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0124-large-stack-array-aggregate-ops-crash-llvm.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0125-any-to-string-array-arms-by-value.md
P5.6 (macOS): default_pipeline drives bundling; fix issue 0125 (array-format blowup)
2026-06-19 15:32:07 +03:00
0126-array-arg-slice-generic-param-unbound.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0127-namespaced-generic-call-result-unbound-stub.md
lang: rename signed integer types sN -> iN
2026-06-12 09:31:53 +03:00
0128-cstring-ffi-boundary-returns-and-optional.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0129-negated-error-binding-bitwise-not.md
fix(0129): logical not is truthiness-aware, not a bit flip
2026-06-12 13:36:54 +03:00
0130-library-decl-nested-namespace-dropped.md
refactor(ffi-linkage): Phase 9.3/9.4 — purge 'foreign' from issues/*.md; GATE PASS
2026-06-15 11:18:35 +03:00
0131-protocol-call-extra-args-silently-dropped.md
issue 0131: RESOLVED (d7808f6)
2026-06-12 21:52:11 +03:00
0132-protocol-return-enum-case-payload-field-unresolved.md
fix: propagate union-member type to a struct-literal RHS
2026-06-13 18:55:41 +03:00
0133-union-member-struct-literal-assign-unresolved-panic.md
fix: propagate union-member type to a struct-literal RHS
2026-06-13 18:55:41 +03:00
0134-error-set-no-per-decl-nominal-identity-same-name-collapse.md
docs(issues): correct 0132 root cause; file 0133 and 0134
2026-06-13 13:41:30 +03:00
0134-error-set-no-per-decl-nominal-identity-same-name-collapse.sx
docs(issues): correct 0132 root cause; file 0133 and 0134
2026-06-13 13:41:30 +03:00
0135-xx-pack-index-protocol-erasure-lowers-pack-as-value.md
fix: xx pack[i] to a protocol target heap-copies the element
2026-06-13 18:55:10 +03:00
0136-tagged-union-member-write-does-not-set-tag.md
fix: reject direct assignment to a tagged-union variant member
2026-06-13 21:18:40 +03:00
0137-jit-run-no-main-segfault.md
feat(asm): Phase A.1 — parse asm { … } into AsmExpr; loud lowering bail
2026-06-15 20:21:25 +03:00
0138-address-of-comptime-const-yields-wild-pointer.md
fix(0138): diagnose @scalar-const address-of (no storage)
2026-06-16 06:29:36 +03:00
0139-byvalue-self-reference-segfault.md
fix(0139): reject by-value self-referential types loudly (was a segfault)
2026-06-16 22:24:31 +03:00
0140-comptime-type-construction-bail-unresolved-panic.md
fix(0140): surface comptime type-construction bail as a diagnostic
2026-06-17 04:31:38 +03:00
0141-comptime-list-growth-in-type-construction.md
P5.7 Step E: fix issue 0141 (reject silent [*]T -> []T coercion); land regression
2026-06-19 20:40:21 +03:00
0142-comptime-minted-all-void-enum-binds-any.md
comptime VM: Phase 3 — register_type write side + payloadless-enum fixes
2026-06-18 10:47:36 +03:00
0143-pack-as-type-slice-stride-mismatch.md
fix issue 0143: pack-as-[]Type built as []Any — build it as []type_value
2026-06-18 19:42:42 +03:00
0144-unrecognized-type-param-builtin-silent-zero.md
issue 0144: unrecognized $T-param #builtin silently returns 0
2026-06-20 14:09:41 +03:00
0150-void-struct-field-unsized-llvm-trap.md
fibers B1.2: BLOCKED on compiler bugs 0150 + 0151 (Io design proven)
2026-06-20 18:54:04 +03:00
0150-void-struct-field-unsized-llvm-trap.sx
fibers B1.2: BLOCKED on compiler bugs 0150 + 0151 (Io design proven)
2026-06-20 18:54:04 +03:00
0151-ufcs-closure-return-pack-generic-unresolved.md
issue 0151: UFCS dot-call leaves $R inferred from a closure return type via a pack unresolved
2026-06-20 22:21:38 +03:00
0151-ufcs-closure-return-pack-generic-unresolved.sx
issue 0151: UFCS dot-call leaves $R inferred from a closure return type via a pack unresolved
2026-06-20 22:21:38 +03:00