gccrs: fix ice on let else expession#4378
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added error handling for let else expression. Fixes Rust-GCC#4375 gcc/rust/ChangeLog: * resolve/rust-late-name-resolver-2.0.cc (Late::visit): Visit else_expr if has_else_expr, not init_expr. Signed-off-by: lenny.chiadmi-delage <lenny.chiadmi-delage@epita.fr>
Added new tests. Addresses Rust-GCC#4375 gcc/testsuite/ChangeLog: * rust/compile/issue-4375-ice-regression.rs: New test. * rust/compile/issue-4375-multiple-errors.rs: New test. * rust/compile/issue-4375-tuple-pattern.rs: New test. Signed-off-by: lenny.chiadmi-delage <lenny.chiadmi-delage@epita.fr>
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Fixes #4375
This PR resolve the ice on
let elseexpressionFor now, it does not follow the rustc behavior as it list all
let elserelated error instead of stopping at the first one.I also added some tests