[JVM_IR] Reintroduce non-IEEE comparisons

- Ieee754Equality and PrimitiveComparisons intrinsics
  respects absence of -Xproper-ieee754-comparisons, unmuted tests to
  show.

compiler/testData/codegen/box/ieee754/equalsDouble.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun equals1(a: Double, b: Double) = a == b

compiler/testData/codegen/box/ieee754/equalsFloat.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun equals1(a: Float, b: Float) = a == b

compiler/testData/codegen/box/ieee754/equalsNaN.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 // WITH_RUNTIME
 

compiler/testData/codegen/box/ieee754/equalsNullableDouble.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun equals1(a: Double, b: Double?) = a == b

compiler/testData/codegen/box/ieee754/equalsNullableFloat.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun equals1(a: Float, b: Float?) = a == b

compiler/testData/codegen/box/ieee754/greaterDouble.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun greater1(a: Double, b: Double) = a > b

compiler/testData/codegen/box/ieee754/greaterFloat.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun greater1(a: Float, b: Float) = a > b

compiler/testData/codegen/box/ieee754/lessDouble.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun less1(a: Double, b: Double) = a < b

compiler/testData/codegen/box/ieee754/lessFloat.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun less1(a: Float, b: Float) = a < b

compiler/testData/codegen/box/ieee754/smartCastToDifferentTypes.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: NATIVE
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 fun box(): String {

compiler/testData/codegen/box/ieee754/smartCastToDifferentTypesWithNumericPromotion.kt

@@ -1,6 +1,5 @@
 // !LANGUAGE: -ProperIeee754Comparisons
 // IGNORE_BACKEND: NATIVE
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 fun eqDI(x: Any?, y: Any?) = x is Double?   && y is Int?        && x == y
 fun eqDL(x: Any?, y: Any?) = x is Double?   && y is Long?       && x == y

compiler/testData/codegen/box/ieee754/when.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun box(): String {

compiler/testData/codegen/box/ieee754/whenNoSubject.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
 // DONT_TARGET_EXACT_BACKEND: JS_IR
 
 fun box(): String {