[dev.ssa] cmd/compile: implement control flow handling
Add label and goto checks and improve test coverage.
Implement OSWITCH and OSELECT.
Implement OBREAK and OCONTINUE.
Allow generation of code in dead blocks.
Change-Id: Ibebb7c98b4b2344f46d38db7c9dce058c56beaac
Reviewed-on: https://go-review.googlesource.com/12445
Reviewed-by: Keith Randall <khr@golang.org>
diff --git a/test/label.go b/test/label.go
index a1811c2..c3c0c27 100644
--- a/test/label.go
+++ b/test/label.go
@@ -58,4 +58,8 @@
default:
break L10
}
+
+ goto L10
+
+ goto go2 // ERROR "label go2 not defined"
}
