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embeddedartistry / libc

libc targeted for embedded systems usage. Reduced set of functionality (due to embedded nature). Chosen for portability and quick bringup.
MIT License
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Disable builtins by default. #150

Closed phillipjohnston closed 3 years ago

phillipjohnston commented 3 years ago

When optimizations are enabled and compiler builtins are used, GCC can generate problematic code that can result in a segmentation fault or infinite loop in the test programs. From our investigation, this is related to the _Nonnull attribute's use in the compiler-builtins.