The article analyzes a parsing ambiguity in C23 regarding 'auto' type inference declarations where a variable name shadows a typedef. It highlights a divergence between GCC and Clang, with GCC treating 'auto' as a storage class specifier due to the existing typedef, while Clang correctly infers the type for a new variable.
Background
The C23 standard introduced 'auto' as a type specifier for automatic type deduction, similar to C++11. This change creates potential ambiguities in complex declaration contexts involving existing typedefs.
- Source
- Lobsters
- Published
- Jul 25, 2026 at 02:07 PM
- Score
- 6.0 / 10