[PRISM] Implement compilation for MultiWriteNodes, fix MultiTargetNodes

Compilation now works for MultiWriteNodes and MultiTargetNodes, with
nesting on MultiWrites. See the tests added in this commit for example
behavior.

1 files changed, 1 insertions, 5 deletions

diff --git a/compile.c b/compile.c
index bad3c079fc..9d09bef494 100644
--- a/compile.c
+++ b/compile.c
@@ -5274,7 +5274,6 @@ compile_massign0(rb_iseq_t *iseq, LINK_ANCHOR *const pre, LINK_ANCHOR *const rhs
 
     int llen = 0;
     int lpos = 0;
-    int expand = 1;
 
     while (lhsn_count) {
         llen++;
@@ -5312,7 +5311,6 @@ compile_massign0(rb_iseq_t *iseq, LINK_ANCHOR *const pre, LINK_ANCHOR *const rhs
         }
     }
 
-
     if (!state->nested) {
         NO_CHECK(COMPILE(rhs, "normal masgn rhs", rhsn));
     }
@@ -5320,9 +5318,7 @@ compile_massign0(rb_iseq_t *iseq, LINK_ANCHOR *const pre, LINK_ANCHOR *const rhs
     if (!popped) {
         ADD_INSN(rhs, node, dup);
     }
-    if (expand) {
-        ADD_INSN2(rhs, node, expandarray, INT2FIX(llen), INT2FIX(lhs_splat));
-    }
+    ADD_INSN2(rhs, node, expandarray, INT2FIX(llen), INT2FIX(lhs_splat));
     return COMPILE_OK;
 }