Fix Command#report_warnings to gracefully handle missing Compiler#pro…

…gram (#9866)
crystal-lang · Nov 10, 2020 · f3d36a6 · f3d36a6
1 parent 1d40bc9
commit f3d36a6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/compiler/crystal/semantic/warnings.cr b/src/compiler/crystal/semantic/warnings.cr
@@ -169,7 +169,8 @@ module Crystal
       compiler = @compiler
       return unless compiler
 
-      program = compiler.program
+      program = compiler.program?
+      return unless program
       return if program.warning_failures.empty?
 
       program.warning_failures.each do |message|