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Exception lowering: setjmp/longjmp → LLVM invoke/landingpad (#7302) #7305

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Merged
proggeramlug merged 14 commits into from
Aug 3, 2026
Merged

Exception lowering: setjmp/longjmp → LLVM invoke/landingpad (#7302) #7305

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eef03c5
docs(eh): invoke/landingpad experiment — Phase 0 spike results
Aug 3, 2026
59113fd
feat(eh): invoke/landingpad try lowering behind PERRY_EH=invoke (#7302)
Aug 3, 2026
099f8b8
test(eh): #7302 exception corpus — structural paths, cross-helper thr…
Aug 3, 2026
1e1dd82
fix(eh): rewrite phi predecessor labels past inline invoke splits (#7…
Aug 3, 2026
ba5d2bc
feat(eh): SEH funclet variant for windows-msvc (#7302)
Aug 3, 2026
9e4bad8
feat(eh): unwind-table self-check on first js_eh_try_push (#7302)
Aug 3, 2026
bdeb1df
style: cargo fmt
Aug 3, 2026
78191e9
fix(eh): _Unwind_Backtrace trace fn must return _URC_NO_REASON (#7302)
Aug 3, 2026
62a181d
docs(eh): gap-suite attribution + perf matrix with V8 calibration (#7…
Aug 3, 2026
55fbf7e
feat(eh)!: flip to invoke/landingpad, delete the setjmp lowering (#7302)
Aug 3, 2026
67eaa7f
Merge origin/main: typed-LlInst layer (#7301) × invoke-EH (#7302)
Aug 3, 2026
666376f
docs(eh): changelog fragment + final status (#7302, PR #7305)
Aug 3, 2026
5cc6084
docs(eh): final sweep results — 95.4%, crash set collapsed to the one…
Aug 3, 2026
71d5219
chore: bump version to 0.5.1280
Aug 3, 2026
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10 changes: 10 additions & 0 deletions .cargo/config.toml
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Expand Up @@ -11,3 +11,13 @@ min-publish-age = true

[registry]
global-min-publish-age = "7 days"

# Invoke-EH (#7302): the exception transport steps runtime Rust frames via
# the system unwinder, and panic=abort (profile.release) omits unwind tables
# by default — without this flag every throw crossing a helper frame is
# stranded. NOTE: a user-set RUSTFLAGS environment variable OVERRIDES this
# file entirely (cargo uses exactly one rustflags source) — carry the flag
# in your RUSTFLAGS too. The runtime self-checks on the first `try` and
# aborts loudly if the tables are missing (perry-runtime/src/eh.rs).
[build]
rustflags = ["-C", "force-unwind-tables=yes"]
2 changes: 1 addition & 1 deletion CLAUDE.md
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Expand Up @@ -8,7 +8,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co

Perry is a native TypeScript compiler written in Rust that compiles TypeScript source code directly to native executables. It uses SWC for TypeScript parsing and LLVM for code generation.

**Current Version:** 0.5.1279
**Current Version:** 0.5.1280


## TypeScript Parity Status
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