[Interpreter] Add IsInterpreted() to JSFunction and use to fix test-heap tests.

test/cctest/cctest.status

Index: test/cctest/cctest.status
diff --git a/test/cctest/cctest.status b/test/cctest/cctest.status
index 46f2ab705c4317fc72cb80acc490fbd6bf307e4e..9619d50e43664f3bde23a197845a70eb2bb9e32e 100644
--- a/test/cctest/cctest.status
+++ b/test/cctest/cctest.status
@@ -326,9 +326,6 @@
 
 ##############################################################################
 ['variant == turbofan_opt', {
-  # TODO(mythria,4680): Lack of code-ageing in interpreter.
-  'test-heap/Regress169209': [FAIL],
-
   # TODO(mythria,4680): Lack of code-ageing and/or lack of compilation cache
   # in interpreter.
   'test-heap/CompilationCacheCachingBehavior': [FAIL],
@@ -355,30 +352,10 @@
 
 ##############################################################################
 ['variant == ignition', {
-  # TODO(rmcilroy,4680): Related to lack of code flushing. Check failed: !function->shared()->is_compiled() || function->IsOptimized().
-  'test-heap/TestCodeFlushingPreAged': [FAIL],
-  'test-heap/TestCodeFlushingIncrementalScavenge': [FAIL],
-  'test-heap/TestCodeFlushing': [FAIL],
-  'test-heap/TestCodeFlushingIncremental': [FAIL],
-  'test-heap/TestCodeFlushingIncrementalAbort': [PASS, ['mode == debug or dcheck_always_on == True', FAIL]],
-
-  # TODO(mythria,4680): Lack of code-ageing in interpreter.
-  'test-heap/Regress169209': [FAIL],
-
   # TODO(mythria,4680): Lack of code-ageing and/or lack of compilation cache
   # in interpreter.
   'test-heap/CompilationCacheCachingBehavior': [FAIL],
 
-  # BUG(4680): Missing type feedback makes optimistic optimizations fail.
-  'test-cpu-profiler/DeoptUntrackedFunction': [SKIP],
-
-  # BUG(4751). Flaky with ignition.
-  'test-cpu-profiler/JsNativeJsSample': [PASS, FAIL],
-
-  # TODO(ignition): Fails due to missing type info when optimizing from bytecode
-  # with crankshaft.
-  'test-cpu-profiler/TickLinesOptimized': [SKIP],
-
   # BUG(5193): Flaky.
   'test-cpu-profiler/FunctionApplySample': [PASS, ['system == windows', SKIP]],
 }],  # variant == ignition
@@ -388,11 +365,6 @@
   'test-cpu-profiler/DeoptUntrackedFunction': [SKIP],
   'test-cpu-profiler/TickLinesOptimized': [SKIP],
   'test-heap/CompilationCacheCachingBehavior': [FAIL],
-  'test-heap/Regress169209': [FAIL],
-  'test-heap/TestCodeFlushing': [FAIL],
-  'test-heap/TestCodeFlushingIncremental': [FAIL],
-  'test-heap/TestCodeFlushingIncrementalScavenge': [FAIL],
-  'test-heap/TestCodeFlushingPreAged': [FAIL],
 
   # BUG(5193): Flaky.
   'test-cpu-profiler/FunctionApplySample': [PASS, ['system == windows', SKIP]],
@@ -400,16 +372,6 @@
 
 ##############################################################################
 ['variant == turbofan or variant == ignition_turbofan', {
-  # TODO(rmcilroy,4680): Related to lack of code flushing. Check failed: !function->shared()->is_compiled() || function->IsOptimized().
-  'test-heap/TestCodeFlushingPreAged': [FAIL],
-  'test-heap/TestCodeFlushingIncrementalScavenge': [FAIL],
-  'test-heap/TestCodeFlushing': [FAIL],
-  'test-heap/TestCodeFlushingIncremental': [FAIL],
-  'test-heap/TestCodeFlushingIncrementalAbort': [PASS, ['mode == debug or dcheck_always_on == True', FAIL]],
-
-  # TODO(mythria,4680): Lack of code-ageing in interpreter.
-  'test-heap/Regress169209': [FAIL],
-
   # TODO(mythria,4680): Lack of code-ageing and/or lack of compilation cache
   # in interpreter.
   'test-heap/CompilationCacheCachingBehavior': [FAIL],