Usman Akinyemi b0e65da2af rustc_parse_format: improve error for missing : before ? in format args ... Detect the `{ident?}` pattern where `?` is immediately followed by `}` and emit a clearer diagnostic explaining that `:` is required for Debug formatting. This avoids falling back to a generic “invalid format string” error and adds a targeted UI test for the case. Signed-off-by: Usman Akinyemi <usmanakinyemi202@gmail.com>		2026-01-08 06:39:55 +05:30
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src	rustc_parse_format: improve error for missing : before ? in format args	2026-01-08 06:39:55 +05:30
Cargo.toml	Revert introduction of [workspace.dependencies].	2025-09-02 19:12:54 +10:00