Fix bug at the --threads command (#6039)

crystal-lang · May 1, 2018 · 9da2831 · 9da2831
1 parent fe871e1
commit 9da2831
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/compiler/crystal/command.cr b/src/compiler/crystal/command.cr
@@ -462,6 +462,8 @@ class Crystal::Command
       error "You have input an invalid format, only text and JSON are supported"
     end
 
+    error "maximum number of threads cannot be lower than 1" if compiler.n_threads < 1
+
     if !no_codegen && !run && Dir.exists?(output_filename)
       error "can't use `#{output_filename}` as output filename because it's a directory"
     end