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<code>Compiler Bug</code> when <code>for</code> loop iterates over <code>tuple</code> type

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

#5481 In p4lang/p4c;

· kfcripps opened on Feb 12, 2026

Type parameters on functions prohibit use of variables declared using those types being used in arithmetic expressions.

Status: Open.

Bug

#5478 In p4lang/p4c;

· ajwalton opened on Feb 6, 2026

no definitions found for ...

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

#5477 In p4lang/p4c;

· jhavrane opened on Feb 6, 2026

p4c segfault in bmv2 backend found by fuzzer

bmv2Topics related to BMv2 or v1modelTopics related to BMv2 or v1model

Status: Open.

Bug

#5464 In p4lang/p4c;

· cfbolz opened on Jan 19, 2026

Code which should not pass compilation compiles successfully

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

tofinoTopics related to the Tofino switch and back end.Topics related to the Tofino switch and back end.

Status: Open.

#5463 In p4lang/p4c;

· HeRaNO opened on Jan 14, 2026

Add project-wide AI policy for AI-generated / AI-assistent content

Status: Open.

Task

#5462 In p4lang/p4c;

· asl opened on Jan 12, 2026

[Bazel] Add p4c to Bazel Central Registry (BCR)

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.

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

Status: Open.

Feature

#5455 In p4lang/p4c;

· smolkaj opened on Dec 20, 2025

Add a security policy for execution of Doxygen Github actions

Status: Open.

#5452 In p4lang/p4c;

· fruffy opened on Dec 19, 2025

Unexpected compiler warning when using TNA arch

tofinoTopics related to the Tofino switch and back end.Topics related to the Tofino switch and back end.

Status: Open.

Bug

#5451 In p4lang/p4c;

· HeRaNO opened on Dec 18, 2025

Compiler bug with explicit cast literal→type

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

#5447 In p4lang/p4c;

· dmatousek opened on Dec 11, 2025

Invalid element reported when return statement is moved

Status: Open.

Bug

#5445 In p4lang/p4c;

· jhavrane opened on Dec 9, 2025

Null arguments crash when parsing for loop

Status: Open.

Bug

#5435 In p4lang/p4c;

· jhavrane opened on Dec 9, 2025