WASM: Implement spread operator

compiler/testData/codegen/box/argumentOrder/kt17691WithEnabledFeature.kt

@@ -1,5 +1,6 @@
 // DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
+// Doesn't fail on WASM backend if lambdas return Int. Need to investigate futher.
+// WASM_MUTE_REASON: UNIT_ISSUES
 // !LANGUAGE: +UseCorrectExecutionOrderForVarargArguments
 // WITH_RUNTIME
 // KJS_WITH_FULL_RUNTIME

compiler/testData/codegen/box/callableReference/adaptedReferences/referenceToVarargWithDefaults.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 var result = "fail"
 
 fun foo(vararg xs: Int, s1: String = "", s2: String = "OK") {

compiler/testData/codegen/box/callableReference/adaptedReferences/unboundReferences.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 // !LANGUAGE: +NewInference +FunctionReferenceWithDefaultValueAsOtherType
 // WITH_RUNTIME
 

compiler/testData/codegen/box/callableReference/adaptedReferences/varargViewedAsPrimitiveArray.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 // !LANGUAGE: +NewInference
 
 fun sum(vararg args: Int): Int {

compiler/testData/codegen/box/inlineClasses/passInlineClassWithSpreadOperatorToVarargs.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 // !LANGUAGE: +InlineClasses
 
 inline class UInt(val value: Int)

compiler/testData/codegen/box/mixedNamedPosition/varargs.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 // !LANGUAGE: +NewInference +MixedNamedArgumentsInTheirOwnPosition
 
 fun foo1(

compiler/testData/codegen/box/mixedNamedPosition/varargsEvaluationOrder.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 // !LANGUAGE: +NewInference +MixedNamedArgumentsInTheirOwnPosition
 // See KT-17691: Wrong argument order in resolved call with varargs. (fixed in JVM_IR)
 

compiler/testData/codegen/box/reified/spreads.kt

@@ -1,5 +1,5 @@
 // DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
+// WASM_MUTE_REASON: STDLIB_STRING_BUILDER
 // KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 

compiler/testData/codegen/box/secondaryConstructors/varargs.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 fun join(x: Array<out String>): String {
     var result = ""
     for (i in x) {

compiler/testData/codegen/box/super/superConstructor/kt18356_2.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 abstract class Base(val s: String, vararg ints: Int)
 
 fun foo(s: String, ints: IntArray) = object : Base(ints = *ints, s = s) {}

compiler/testData/codegen/box/unsignedTypes/varargsOfUnsignedTypes.kt

@@ -1,5 +1,5 @@
 // DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
+// WASM_MUTE_REASON: UNSIGNED_ARRAYS
 // WITH_RUNTIME
 // KJS_WITH_FULL_RUNTIME
 

compiler/testData/codegen/box/vararg/doNotCopyImmediatelyCreatedArrays.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 fun booleanVararg(vararg xs: Boolean) {
     if (xs.size != 1 && xs[0] != true) throw AssertionError()
 }

compiler/testData/codegen/box/vararg/kt37779.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 // !LANGUAGE: +AllowAssigningArrayElementsToVarargsInNamedFormForFunctions
 
 fun test(vararg s: String) = s[1] + s.size

compiler/testData/codegen/box/vararg/kt6192.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 fun barB(vararg args: Byte) = args
 fun barC(vararg args: Char) = args
 fun barD(vararg args: Double) = args

compiler/testData/codegen/box/vararg/spreadCopiesArray.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 // WITH_RUNTIME
 
 import kotlin.test.*

compiler/testData/codegen/box/vararg/varargInFunParam.kt

@@ -1,5 +1,3 @@
-// DONT_TARGET_EXACT_BACKEND: WASM
-// WASM_MUTE_REASON: SPREAD_OPERATOR
 fun box(): String {
     if (test1() != "") return "fail 1"
     if (test1(1) != "1") return "fail 2"