Landing: 1405d5fe435c

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Project / Subsystem

gcc / gccrs

Date

2026-06-22

Author

Philip Herron

Commit

1405d5fe435c108b972f7dc75719f651564fa063

Source

github

Perf win

Breaking

View on GitHub →

All attributes

project: gcc
subsystem: gccrs
patch_id: —
commit_hash: 1405d5fe435c108b972f7dc75719f651564fa063
source_type: github
headline: gccrs: Allow bidirectional inference on call expressions
tldr: Type inference for function calls now considers expected return types, aiding in complex scenarios like 'try'.
author: Philip Herron
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • gccrs
• type inference
• Rust
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/1405d5fe435c108b972f7dc75719f651564fa063
date: 2026-06-22T00:00:00.000Z

GCC’s Rust compiler (gccrs) now supports bidirectional type inference for function call expressions. This enhancement is crucial for scenarios like the ? operator (try), where the expected return type of the surrounding block must constrain the type inference of the call.