[Interpreter] Ensure we always have an outer register allocation scope.

test/mjsunit/mjsunit.status

Index: test/mjsunit/mjsunit.status
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index 0afe96e4e9afcb345ec4ce1d15bf5d551cdfaff7..8ce05b057a9df5511f62b38b2c8055f72ed1d6f0 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -765,7 +765,6 @@
   'break': [SKIP],
   'call-runtime-tail': [SKIP],
   'compiler/compare-map-elim2': [SKIP],
-  'compiler/countoperation': [SKIP],
   'compiler/deopt-inlined-smi': [SKIP],
   'compiler/deopt-tonumber-compare': [SKIP],
   'compiler/escape-analysis-arguments': [SKIP],
@@ -782,8 +781,6 @@
   'compiler/optimize_min': [SKIP],
   'compiler/opt-next-call-turbo': [SKIP],
   'compiler/osr-forof': [SKIP],
-  'compiler/osr-manual2': [SKIP],
-  'compiler/phi-representations': [SKIP],
   'compiler/property-refs': [SKIP],
   'compiler/regress-3786': [SKIP],
   'compiler/regress-446647': [SKIP],
@@ -851,7 +848,6 @@
   'regress/regress-117409': [SKIP],
   'regress/regress-1177809': [SKIP],
   'regress/regress-119609': [SKIP],
-  'regress/regress-1209': [SKIP],
   'regress/regress-123919': [SKIP],
   'regress/regress-124594': [SKIP],
   'regress/regress-125515': [SKIP],
@@ -882,7 +878,6 @@
   'regress/regress-2318': [SKIP],
   'regress/regress-2339': [SKIP],
   'regress/regress-2374': [SKIP],
-  'regress/regress-2444': [SKIP],
   'regress/regress-2593': [SKIP],
   'regress/regress-2618': [SKIP],
   'regress/regress-263': [SKIP],
@@ -890,7 +885,6 @@
   'regress/regress-269': [SKIP],
   'regress/regress-2790': [SKIP],
   'regress/regress-2825': [SKIP],
-  'regress/regress-298269': [SKIP],
   'regress/regress-3135': [SKIP],
   'regress/regress-3138': [SKIP],
   'regress/regress-318420': [SKIP],