Mark thread procs as escaped, to fast-fail nonlocal flow.

Fixes #4697
jruby · Jul 8, 2017 · 0697344 · 0697344
1 parent a5770fe
commit 0697344
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/core/src/main/java/org/jruby/RubyProc.java b/core/src/main/java/org/jruby/RubyProc.java
@@ -176,6 +176,9 @@ private void setup(Block procBlock) {
                     oldBinding.getLine());
             block = new Block(procBlock.getBody(), newBinding);
 
+            // Mark as escaped, so non-local flow errors immediately
+            block.escape();
+
             // modify the block with a new backref/lastline-grabbing scope
             StaticScope oldScope = block.getBody().getStaticScope();
             StaticScope newScope = oldScope.duplicate();