gccrs: Fix ICE with non-trailing const defaults #4250
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When a const generic with a default value is not trailing, emit an error. gcc/rust/ChangeLog: * parse/rust-parse-impl.h (Parser::parse_generic_params): Emit an error when const generics with a default value is not trailing. gcc/testsuite/ChangeLog: * rust/compile/const_generics_17.rs: New test. * rust/compile/generics14.rs: New test. Signed-off-by: vishruth-thimmaiah <vishruththimmaiah@gmail.com>
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CohenArthur
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Oct 31, 2025
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These changes look great to me! I wonder if it wouldn't be easier to do that check after parsing is complete, but I think it is fine like this. Well done, thank you!
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When a const generic with a default value is not trailing, emit an error.
Closes #4220
Godbolt: https://godbolt.org/z/exzMx7aKx
gcc/rust/ChangeLog:
gcc/testsuite/ChangeLog:
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