stage2 build failure

Project / Subsystem

gcc / gcc

Date

2026-05-26

Proposer

Ulrich Drepper <drepper@gmail.com>

Source type

public_inbox

Consensus

Proposed

Sentiment

/10

All attributes

project
gcc
subsystem
gcc
patch_id
discussion_id
CAOPLpQepw3jVJ3S2jYY=yOje4BXp3xOa9mKsWKVQe9NZRCnkWg@mail.gmail.com
source_type
public_inbox
title
stage2 build failure
headline
Stage2 build failure due to uninitialized variable
tldr
GCC trunk fails to bootstrap due to a maybe-uninitialized variable warning being treated as an error in stage2.
proposer
Ulrich Drepper <drepper@gmail.com>
consensus
Proposed
outcome
proposed
sentiment_score
technical_tradeoffs
[]
series_id
series_role
standalone
series_parts
[]
tags
  • gcc
  • bootstrap
  • build failure
  • Werror
  • uninitialized variable
bugzilla_url
date
2026-05-26T00:00:00.000Z

stage2 build failure

Ulrich Drepper reports that the GCC trunk fails to bootstrap in stage2 due to a -Werror=maybe-uninitialized error. The error occurs in tree-vect-stmts.cc where the variable stride_step may be used uninitialized. He asks if he should file a bug report.