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-rw-r--r--mrbgems/mruby-compiler/core/codegen.c4
-rw-r--r--test/t/codegen.rb10
2 files changed, 14 insertions, 0 deletions
diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c
index b2cd12225..891c4f62b 100644
--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -2223,6 +2223,10 @@ codegen(codegen_scope *s, node *tree, int val)
{
nt = (intptr_t)tree->car;
tree = tree->cdr;
+ if (!val) {
+ codegen(s, tree, NOVAL);
+ break;
+ }
switch (nt) {
case NODE_FLOAT:
{
diff --git a/test/t/codegen.rb b/test/t/codegen.rb
index bb0f5c306..bd360dbcb 100644
--- a/test/t/codegen.rb
+++ b/test/t/codegen.rb
@@ -63,3 +63,13 @@ assert('splat in case splat') do
assert_equal [1], a
end
+
+assert('negate literal register alignment') do
+ a = *case
+ when 0
+ -0.0
+ 2
+ end
+
+ assert_equal [2], a
+end