gccrs: fix ICE on missing pattern in while loop #4207
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Adds a proper check for missing patterns in while expressions. Fixes Rust-GCC#4162 gcc/rust/ChangeLog: * parse/rust-parse-impl.h(Parser<ManagedTokenSource>::parse_while_let_loop_expr): Add check for missing pattern. gcc/testsuite/ChangeLog: * rust/compile/issue-4162.rs: New test. Signed-off-by: Lucas Ly Ba <[email protected]>
CohenArthur
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Oct 15, 2025
| = parse_match_arm_patterns (EQUAL); | ||
| // TODO: have to ensure that there is at least 1 pattern? | ||
| // ensure that there is at least 1 pattern | ||
| if (!predicate_patterns.size ()) |
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I think this is clearer:
Suggested change
| if (!predicate_patterns.size ()) | |
| if (predicate_patterns.empty()) |
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Adds a proper check for missing patterns in while expressions.
Fixes #4162
gcc/rust/ChangeLog: