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Comparison with {#} literal fails to compile

coreTopics concerning the core segments of the compiler (frontend, midend, parser)Topics concerning the core segments of the compiler (frontend, midend, parser)

Status: Open.

Bug

#5653 In p4lang/p4c;

· kfcripps opened on Jun 12, 2026

build_indirect never benefits from build_direct's Bazel cache

infrastructureTopics related to code style and build and test infrastructure.Topics related to code style and build and test infrastructure.

Status: Open.

#5651 In p4lang/p4c;

· Devansh-567 opened on Jun 8, 2026

docs-build.yml writes PR number metadata but no deploy workflow consumes it

infrastructureTopics related to code style and build and test infrastructure.Topics related to code style and build and test infrastructure.

Status: Open.

#5650 In p4lang/p4c;

· Devansh-567 opened on Jun 8, 2026

Centralize auto-label mappings into a config file

infrastructureTopics related to code style and build and test infrastructure.Topics related to code style and build and test infrastructure.

Status: Open.

#5649 In p4lang/p4c;

· Devansh-567 opened on Jun 8, 2026

Reduce CI workflow duplication with a reusable composite action

infrastructureTopics related to code style and build and test infrastructure.Topics related to code style and build and test infrastructure.

Status: Open.

#5648 In p4lang/p4c;

· Devansh-567 opened on Jun 8, 2026

Question about negative int<N> literals and top4 output

questionThis is a topic requesting clarification.This is a topic requesting clarification.

Status: Open.

#5644 In p4lang/p4c;

· eyg1331 opened on Jun 4, 2026

error type used as a ternary match type should be disallowed

Status: Open.

#5637 In p4lang/p4c;

· jaehyun1ee opened on May 27, 2026

Add --cc flag to specify the C preprocessor binary

coreTopics concerning the core segments of the compiler (frontend, midend, parser)Topics concerning the core segments of the compiler (frontend, midend, parser)

Status: Open.

Feature

#5618 In p4lang/p4c;

· smolkaj opened on May 14, 2026

ir-generator does not understand rvalue references or generate move ctor variations

good-first-issueAn issue that could be solved by someone new to the code base.An issue that could be solved by someone new to the code base.

Status: Open.

Feature

#5601 In p4lang/p4c;

· ChrisDodd opened on Apr 27, 2026

Question about categorization of merged PRs in monthly release

questionThis is a topic requesting clarification.This is a topic requesting clarification.

Status: Open.

#5581 In p4lang/p4c;

· jafingerhut opened on Apr 4, 2026

Contributing RtSmith to P4Tools

p4toolsTopics related to the P4Tools back endTopics related to the P4Tools back end

Status: Open.

Feature

#5574 In p4lang/p4c;

· fruffy opened on Mar 29, 2026

p4testgen PNA: default forwarding state may be incorrect (drop=false instead of drop=true)

p4toolsTopics related to the P4Tools back endTopics related to the P4Tools back end

Status: Open.

#5569 In p4lang/p4c;

· smolkaj opened on Mar 27, 2026