2.5. Characteristics and Implementation of C29x C++¶
The c29clang compiler supports C++ as defined in the ANSI/ISO/IEC 14882:2017 standard (C++17), including these features:
Complete C++ standard library support, with exceptions noted below.
C++ Templates
Run-time type information (RTTI), which can be enabled with the -frtti compiler option.
The following features are not implemented or fully supported:
Exception handling and the -fexceptions compiler option
Features related to threads and concurrency, such as:
std::thread
std::unique_lock
std::shared_mutex
std::execution
C++ atomic operations
thread-local storage
Some features related to memory management, such as:
std::pmr::memory_resource
std::align_val_t
The Filesystem library
Please see C++ Language Variants (-std) for supported C++ language variants as well as the options that control the language standard used.
2.5.1. C++ Exception Handling¶
The c29clang compiler does not currently support the C++ exception handling features defined by the ANSI/ISO 14882 C++ Standard. The -fexceptions command-line option is not supported.