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Diffstat (limited to 'src')
| -rw-r--r-- | src/librustc_driver/lib.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/librustc_driver/lib.rs b/src/librustc_driver/lib.rs index 746f2db4767..d39dc8668c0 100644 --- a/src/librustc_driver/lib.rs +++ b/src/librustc_driver/lib.rs @@ -1457,6 +1457,12 @@ fn extra_compiler_flags() -> Option<(Vec<String>, bool)> { args.push(arg.to_string_lossy().to_string()); } + // Avoid printing help because of empty args. This can suggest the compiler + // itself is not the program root (consider RLS). + if args.len() < 2 { + return None; + } + let matches = if let Some(matches) = handle_options(&args) { matches } else { |