Landing: 3a578f6fcb8b

Project / Subsystem

gcc / gcc/cp-tree

Date

2026-06-19

Author

Arsen Arsenović

Commit

3a578f6fcb8b9e1b84584dc8a789dafa80c9e2ae

Source

github

Perf win

No

Breaking

No

All attributes

project
gcc
subsystem
gcc/cp-tree
patch_id
commit_hash
3a578f6fcb8b9e1b84584dc8a789dafa80c9e2ae
source_type
github
headline
Require temp_override to deduce on first constructor argument
tldr
Ensure temp_override deduces its type from the first constructor argument for better type conversions.
author
Arsen Arsenović
outcome
committed
performance_win
false
breaking_change
false
series_id
series_parts
[]
tags
  • c++
  • type deduction
discussion_id_link
bugzilla_pr
date
2026-06-19T00:00:00.000Z

The temp_override mechanism in GCC’s C++ front-end now requires deduction from the first constructor argument. This change aims to enforce a conversion to the correct type for the variable being overridden. While deemed unnecessary in the end, it may offer utility for other scenarios.