ACP needs to know about spreadable + arity of 1

jruby · Apr 30, 2024 · 92b1d86 · 92b1d86
1 parent d815fe1
commit 92b1d86
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/src/main/java/org/jruby/ir/passes/AddCallProtocolInstructions.java b/core/src/main/java/org/jruby/ir/passes/AddCallProtocolInstructions.java
@@ -121,7 +121,7 @@ public Object execute(FullInterpreterContext fic, Object... data) {
                 Signature sig = ((IRClosure)fic.getScope()).getSignature();
                 if (sig.isNoArguments()) {
                     prologueBB.addInstr(PrepareNoBlockArgsInstr.INSTANCE);
-                } else if (sig.isOneArgument() && !sig.hasKwargs()) { // no kwargs and just a single required argument
+                } else if (sig.isOneArgument() && !sig.isSpreadable() && !sig.hasKwargs()) { // no kwargs and just a single required argument
                     prologueBB.addInstr(PrepareSingleBlockArgInstr.INSTANCE);
                 } else {
                     prologueBB.addInstr(PrepareBlockArgsInstr.INSTANCE);