Disable running checkers by default (#4644)

* Make checkers be disabled by default

* Allow running checkers in test launcher

kotlin-native/backend.native/tests/interop/kt42397/knlibrary.kt

@@ -1,5 +1,7 @@
 package knlibrary
 
+import kotlin.native.Platform
+
 // The following 2 singletons are unused. However, since we are generating C bindings for them,
 // they should be marked as used, so that the code generator emits their deinitialization.
 
@@ -8,3 +10,7 @@ object A {}
 class B {
     companion object {}
 }
+
+fun enableMemoryChecker() {
+    Platform.isMemoryLeakCheckerActive = true
+}

kotlin-native/backend.native/tests/interop/kt42397/test.cpp

@@ -6,6 +6,8 @@ int main() {
     auto t = std::thread([] {
         auto lib = testlib_symbols();
 
+        lib->kotlin.root.knlibrary.enableMemoryChecker();
+
         // Initialize A and B.Companion and get their stable pointers.
         auto a = lib->kotlin.root.knlibrary.A._instance();
         auto bCompanion = lib->kotlin.root.knlibrary.B.Companion._instance();

kotlin-native/backend.native/tests/interop/leakMemoryWithRunningThread/checked.kt

@@ -1,5 +1,6 @@
 import leakMemory.*
 import kotlin.native.concurrent.*
+import kotlin.native.Platform
 import kotlin.test.*
 import kotlinx.cinterop.*
 
@@ -13,6 +14,7 @@ fun ensureInititalized() {
 }
 
 fun main() {
+    Platform.isMemoryLeakCheckerActive = true
     kotlin.native.internal.Debugging.forceCheckedShutdown = true
     assertTrue(global.value == 0)
     // Created a thread, made sure Kotlin is initialized there.

kotlin-native/backend.native/tests/interop/leakMemoryWithRunningThread/unchecked.kt

@@ -1,5 +1,6 @@
 import leakMemory.*
 import kotlin.native.concurrent.*
+import kotlin.native.Platform
 import kotlin.test.*
 import kotlinx.cinterop.*
 
@@ -13,6 +14,7 @@ fun ensureInititalized() {
 }
 
 fun main() {
+    Platform.isMemoryLeakCheckerActive = true
     kotlin.native.internal.Debugging.forceCheckedShutdown = false
     assertTrue(global.value == 0)
     // Created a thread, made sure Kotlin is initialized there.

kotlin-native/backend.native/tests/interop/memory_leaks/lib.kt

@@ -4,6 +4,11 @@
  */
 
 import kotlinx.cinterop.*
+import kotlin.native.Platform
+
+fun enableMemoryChecker() {
+    Platform.isMemoryLeakCheckerActive = true
+}
 
 fun leakMemory() {
     StableRef.create(Any())

kotlin-native/backend.native/tests/interop/memory_leaks/main.cpp

@@ -9,6 +9,7 @@
 
 int main() {
     std::thread t([]() {
+        testlib_symbols()->kotlin.root.enableMemoryChecker();
         testlib_symbols()->kotlin.root.leakMemory();
     });
     t.join();

kotlin-native/backend.native/tests/interop/objc_with_initializer/objc_test.kt

@@ -1,7 +1,9 @@
 import objc_misc.*
+import kotlin.native.Platform
 
 val a = B.giveC()!! as C
 
 fun main() {
+  Platform.isMemoryLeakCheckerActive = true
   println("OK")
-}
+}