Files
sx/examples/expected
agra 74f675ac0b fix(ir): evalConstFloatExpr reaches parity with evalConstIntExpr — numeric-limit float leaves + float % fold under the unified rule [F0.11]
The compile-time float evaluator lagged the integer one: it had no
numeric-limit field-access arm, so `y : s64 = f64.true_min + 0.5` (=0.5)
silently truncated to 0 even though the direct `f64.true_min` already
errored; the arm-by-arm audit also found a missing `%` arm, so
`y : s64 = 5.5 % 2.0` (=1.5) silently truncated to 1.

Bring evalConstFloatExpr to PARITY with evalConstIntExpr:
- Add a `.field_access` arm resolving a builtin FLOAT numeric-limit
  accessor (`f64.max`, `f32.epsilon`, `f64.true_min`, …) via the SAME
  `type_resolver.floatLimitFor` that `lowerNumericLimit` uses — the float
  twin of the int evaluator's `integerLimitFor` arm.
- Add a `.mod` arm via `@rem` (matching evalConstIntExpr and codegen's
  `frem`): `6.0 % 4.0` folds to 2 (via int delegation), `5.5 % 2.0` = 1.5
  is rejected.

The two evaluators now share every leaf/operator shape, so no
compile-time-const float form escapes the unified float→int rule at one
site while folding at another. All five sites (local/field/param/const/
array-dim) stay consistent.

Regression: 0168 (positive) adds `f64.max - f64.max` → 0, `6.0 % 4.0` → 2,
integer-limit `s8.max`/`[u8.max]` unregressed, `xx` escapes for both new
forms; 1146 (negative) adds `f64.true_min + 0.5` and `5.5 % 2.0` erroring
at a binding site; program_index.test.zig covers the floatLimitFor arm and
the `%` arm. specs.md + readme.md state the parity. issues/0095 RESOLVED
banner gains the attempt-5 entry.
2026-06-05 18:15:17 +03:00
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