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Clang C++20

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Last updated May 15, 2025

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Clang C++20 Features.

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Clang C++20 Feature: P2103R0 - Core Language Changes for NB Comments at the February, 2020 (Prague) meeting

c++20

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

Status: Open.

#54038 In llvm/llvm-project;

· tstellar opened on Feb 24, 2022

Clang C++20 Feature: P1979R0 - Resolution to US086

c++20

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

clang:modulesC++20 modules and Clang Header ModulesC++20 modules and Clang Header Modules

Status: Open.

#54045 In llvm/llvm-project;

· tstellar opened on Feb 24, 2022

Clang C++20 Feature: P1811R0 - Relaxing redefinition restrictions for re-exportation robustness

c++20

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

clang:modulesC++20 modules and Clang Header ModulesC++20 modules and Clang Header Modules

Status: Open.

#54042 In llvm/llvm-project;

· tstellar opened on Feb 24, 2022

Clang C++20 Feature: P1857R3 - Modules Dependency Discovery

c++20

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

Status: Open.

#54047 In llvm/llvm-project;

· tstellar opened on Feb 24, 2022

Clang C++20 Feature: P1815R2 - Translation-unit-local entities

c++20

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

Status: Open.

#54048 In llvm/llvm-project;

· tstellar opened on Feb 24, 2022

Clang C++20 Feature: P1703R1 - Recognizing Header Unit Imports Requires Full Preprocessing

c++20

clang:modulesC++20 modules and Clang Header ModulesC++20 modules and Clang Header Modules

Status: Open.

#54043 In llvm/llvm-project;

· tstellar opened on Feb 24, 2022

Clang C++20 Feature: Declarations and where to find them (P1787)

c++20

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

metabugIssue to collect references to a group of similar or related issues.Issue to collect references to a group of similar or related issues.

Status: Open.

#54150 In llvm/llvm-project;

· cor3ntin opened on Mar 2, 2022

wrong code due to incompatibility between C++20 coroutines and 32-bit Windows x86 ABI

ABIApplication Binary InterfaceApplication Binary Interface

c++20

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

coroutinesC++20 coroutinesC++20 coroutines

miscompilation

platform:windows

Status: Open.

#59382 In llvm/llvm-project;

· zygoloid opened on Dec 7, 2022