[FE 1.0] Remove usages of safeAs and cast from most of FE 1.0 modules:

- :core:descriptors
- :core:descriptors.jvm
- :core:deserialization
- :compiler:cli
- :compiler:frontend
- :compiler:frontend:cfg
- :compiler:frontend.java
- :compiler:frontend.common.jvm
- :compiler:psi
- :compiler:resolution
- :compiler:resolution.common
- :compiler:resolution.common.jvm
- :kotlin-reflect-api

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaClassDescriptor.kt

@@ -38,7 +38,6 @@ import org.jetbrains.kotlin.resolve.scopes.MemberScope
 import org.jetbrains.kotlin.types.*
 import org.jetbrains.kotlin.types.checker.KotlinTypeRefiner
 import org.jetbrains.kotlin.utils.addIfNotNull
-import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 
 class LazyJavaClassDescriptor(
     val outerContext: LazyJavaResolverContext,
@@ -187,7 +186,7 @@ class LazyJavaClassDescriptor(
 
         // Check if any of the super-interfaces contain too many methods to be a SAM
         return typeConstructor.supertypes.any {
-            it.constructor.declarationDescriptor.safeAs<LazyJavaClassDescriptor>()?.isDefinitelyNotSamInterface == true
+            (it.constructor.declarationDescriptor as? LazyJavaClassDescriptor)?.isDefinitelyNotSamInterface == true
         }
     }
 

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaPackageScope.kt

@@ -35,7 +35,6 @@ import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.name.SpecialNames
 import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
 import org.jetbrains.kotlin.storage.NullableLazyValue
-import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 import org.jetbrains.kotlin.utils.alwaysTrue
 import java.util.*
 
@@ -76,8 +75,7 @@ class LazyJavaPackageScope(
                         request.javaClass ?: c.components.finder.findClass(
                             JavaClassFinder.Request(
                                 requestClassId,
-                                kotlinClassOrClassFileContent?.safeAs<KotlinClassFinder.Result.ClassFileContent>()
-                                    ?.content
+                                (kotlinClassOrClassFileContent as? KotlinClassFinder.Result.ClassFileContent)?.content
                             )
                         )
 

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/SyntheticJavaClassDescriptor.kt

@@ -23,7 +23,6 @@ import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.types.SimpleType
 import org.jetbrains.kotlin.types.TypeConstructor
 import org.jetbrains.kotlin.types.checker.KotlinTypeRefiner
-import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 
 
 class SyntheticJavaClassDescriptor(
@@ -121,7 +120,7 @@ class SyntheticJavaClassDescriptor(
 
         // Check if any of the super-interfaces contain too many methods to be a SAM
         return typeConstructor.supertypes.any {
-            it.constructor.declarationDescriptor.safeAs<SyntheticJavaClassDescriptor>()?.isDefinitelyNotSamInterface == true
+            (it.constructor.declarationDescriptor as? SyntheticJavaClassDescriptor)?.isDefinitelyNotSamInterface == true
         }
     }
 

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/typeEnhancement/signatureEnhancement.kt

@@ -27,7 +27,6 @@ import org.jetbrains.kotlin.load.java.descriptors.JavaCallableMemberDescriptor
 import org.jetbrains.kotlin.load.java.descriptors.JavaMethodDescriptor
 import org.jetbrains.kotlin.load.java.descriptors.JavaPropertyDescriptor
 import org.jetbrains.kotlin.load.java.descriptors.PossiblyExternalAnnotationDescriptor
-import org.jetbrains.kotlin.load.java.lazy.JavaResolverComponents
 import org.jetbrains.kotlin.load.java.lazy.LazyJavaResolverContext
 import org.jetbrains.kotlin.load.java.lazy.copyWithNewDefaultTypeQualifiers
 import org.jetbrains.kotlin.load.java.lazy.descriptors.LazyJavaAnnotationDescriptor
@@ -50,7 +49,6 @@ import org.jetbrains.kotlin.types.model.KotlinTypeMarker
 import org.jetbrains.kotlin.types.model.TypeParameterMarker
 import org.jetbrains.kotlin.types.model.TypeSystemInferenceExtensionContext
 import org.jetbrains.kotlin.types.typeUtil.contains
-import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 
 class SignatureEnhancement(private val typeEnhancement: JavaTypeEnhancement) {
     fun <D : CallableMemberDescriptor> enhanceSignatures(c: LazyJavaResolverContext, platformSignatures: Collection<D>): Collection<D> {
@@ -92,7 +90,7 @@ class SignatureEnhancement(private val typeEnhancement: JavaTypeEnhancement) {
         val receiverTypeEnhancement =
             if (extensionReceiverParameter != null)
                 enhanceValueParameter(
-                    parameterDescriptor = annotationOwnerForMember.safeAs<FunctionDescriptor>()
+                    parameterDescriptor = (annotationOwnerForMember as? FunctionDescriptor)
                         ?.getUserData(JavaMethodDescriptor.ORIGINAL_VALUE_PARAMETER_FOR_EXTENSION_RECEIVER),
                     methodContext = memberContext,
                     predefined = null,
@@ -128,7 +126,7 @@ class SignatureEnhancement(private val typeEnhancement: JavaTypeEnhancement) {
                 typeContainer = annotationOwnerForMember, isCovariant = true,
                 containerContext = memberContext,
                 containerApplicabilityType =
-                if (this.safeAs<PropertyDescriptor>()?.isJavaField == true)
+                if ((this as? PropertyDescriptor)?.isJavaField == true)
                     AnnotationQualifierApplicabilityType.FIELD
                 else
                     AnnotationQualifierApplicabilityType.METHOD_RETURN_TYPE,