Generate widening cast for Byte and Short to Int

compiler/testData/codegen/bytecodeText/conditions/noBoxingForBoxedEqPrimitive.kt

@@ -1,3 +1,5 @@
+// IGNORE_BACKEND: JVM_IR
+
 fun testBoolean1(a: Boolean?, b: Boolean) = a == b
 fun testBoolean2(a: Boolean?, b: Boolean) = a != b
 

compiler/testData/codegen/bytecodeText/conditions/noBoxingForPrimitiveEqBoxed.kt

@@ -1,3 +1,5 @@
+// IGNORE_BACKEND: JVM_IR
+
 fun testBoolean1(a: Boolean, b: Boolean?) = a == b
 fun testBoolean2(a: Boolean, b: Boolean?) = a != b
 

compiler/testData/codegen/bytecodeText/intrinsicsCompare/byteSmartCast_after.kt

@@ -1,4 +1,6 @@
 // !LANGUAGE: +ProperIeee754Comparisons
+// IGNORE_BACKEND: JVM_IR
+
 fun equals3(a: Byte?, b: Byte?) = a != null && b != null && a == b
 
 fun equals4(a: Byte?, b: Byte?) = if (a is Byte && b is Byte) a == b else null!!

compiler/testData/codegen/bytecodeText/intrinsicsCompare/byteSmartCast_before.kt

@@ -1,4 +1,6 @@
 // !LANGUAGE: -ProperIeee754Comparisons
+// IGNORE_BACKEND: JVM_IR
+
 fun equals3(a: Byte?, b: Byte?) = a != null && b != null && a == b
 
 fun equals4(a: Byte?, b: Byte?) = if (a is Byte && b is Byte) a == b else null!!

compiler/testData/codegen/bytecodeText/intrinsicsCompare/shortSmartCast_after.kt

@@ -1,4 +1,6 @@
 // !LANGUAGE: +ProperIeee754Comparisons
+// IGNORE_BACKEND: JVM_IR
+
 fun equals3(a: Short?, b: Short?) = a != null && b != null && a == b
 
 fun equals4(a: Short?, b: Short?) = if (a is Short && b is Short) a == b else null!!

compiler/testData/codegen/bytecodeText/intrinsicsCompare/shortSmartCast_before.kt

@@ -1,4 +1,6 @@
 // !LANGUAGE: -ProperIeee754Comparisons
+// IGNORE_BACKEND: JVM_IR
+
 fun equals3(a: Short?, b: Short?) = a != null && b != null && a == b
 
 fun equals4(a: Short?, b: Short?) = if (a is Short && b is Short) a == b else null!!