Generate SAM wrappers only if they are required for a given argument

SAM interface wrapper for an argument is required,
if in the function descriptor for SAM adapter
type for the corresponding value parameter
doesn't match type of the corresponding value parameter
in the original (Java) descriptor.

 #KT-19251 Fixed Target versions 1.1.5

compiler/backend/src/org/jetbrains/kotlin/codegen/binding/CodegenAnnotatingVisitor.java

@@ -56,6 +56,7 @@ import org.jetbrains.kotlin.resolve.constants.EnumValue;
 import org.jetbrains.kotlin.resolve.constants.NullValue;
 import org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilsKt;
 import org.jetbrains.kotlin.types.KotlinType;
+import org.jetbrains.kotlin.types.checker.KotlinTypeChecker;
 import org.jetbrains.org.objectweb.asm.Type;
 
 import java.util.*;
@@ -559,6 +560,9 @@ class CodegenAnnotatingVisitor extends KtVisitorVoid {
         if (valueArguments == null) return;
 
         for (ValueParameterDescriptor valueParameter : original.getValueParameters()) {
+            ValueParameterDescriptor adaptedParameter = descriptor.getValueParameters().get(valueParameter.getIndex());
+            if (KotlinTypeChecker.DEFAULT.equalTypes(adaptedParameter.getType(), valueParameter.getType())) continue;
+
             SamType samType = SamType.create(TypeMapperUtilsKt.removeExternalProjections(valueParameter.getType()));
             if (samType == null) continue;