[debugger] fix break locations for assignments and return.

test/mjsunit/mjsunit.status

Index: test/mjsunit/mjsunit.status
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index b7711d15feb0e9f89e3e661333ad9b1a7c40b43e..af8d26c8fdd03fbfad0de4f4fc6a1992e0360e54 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -789,31 +789,19 @@
   'debug-liveedit-literals': [FAIL],
   'debug-liveedit-3': [FAIL],
   'debug-liveedit-1': [FAIL],
-  'debug-step-into-json': [FAIL],
   'debug-liveedit-patch-positions-replace': [FAIL],
-  'debug-step-into-valueof': [FAIL],
   'debug-liveedit-patch-positions': [FAIL],
   'debug-liveedit-stepin': [FAIL],
-  'debug-step-4': [FAIL],
   'debug-liveedit-newsource': [FAIL],
   'debug-liveedit-stack-padding': [FAIL],
   'debug-stepframe': [FAIL],
-  'debug-negative-break-points': [FAIL],
-  'debug-stepin-accessor': [FAIL],
-  'debug-step-stub-callfunction': [FAIL],
   'debug-liveedit-breakpoints': [FAIL],
   'debug-stepin-accessor-ic': [FAIL],
-  'debug-stepin-builtin': [FAIL],
-  'debug-stepin-foreach': [FAIL],
   'debug-stepnext-do-while': [FAIL],
-  'debug-stepin-builtin-callback-opt': [FAIL],
-  'debug-stepin-function-call': [FAIL],
 
   # TODO(yangguo,4690): Check failure in debug.cc BreakLocation::SetBreakPoint
   # DCHECK(IsDebugBreak() || IsDebuggerStatement());
   'regress/regress-1523': [FAIL],
-  'regress/regress-102153': [FAIL],
-  'regress/regress-2825': [FAIL],
   'regress/regress-crbug-119800': [FAIL],
   'regress/regress-crbug-467180': [FAIL],
   'regress/regress-opt-after-debug-deopt': [FAIL],
@@ -872,8 +860,6 @@
   'regress/regress-4266': [FAIL],
   'regress/regress-crbug-109362': [FAIL],
   'regress/regress-crbug-568477-2': [FAIL],
-  'regress/regress-crbug-568477-3': [FAIL],
-  'regress/regress-crbug-568477-1': [FAIL],
 
   # TODO(rmcilroy, 4680): new ES6 instanceof support
   'harmony/instanceof-es6': [SKIP],