[JS IR] Generate JS Klib ABI tests

- add first test

compiler/testData/klibABI/removeFunction/lib1/l1.kt

@@ -0,0 +1,5 @@
+
+
+fun foo(): String = "FAIL1"
+
+fun exp_foo() = "FAIL2"

compiler/testData/klibABI/removeFunction/lib1/l1.kt.1

@@ -0,0 +1,3 @@
+
+
+fun foo(): String = "K"

compiler/testData/klibABI/removeFunction/lib1/module.info

@@ -0,0 +1,6 @@
+STEP 0:
+    dependencies: stdlib
+STEP 1:
+    dependencies: stdlib
+    modifications:
+        U : l1.kt.1 -> l1.kt

compiler/testData/klibABI/removeFunction/lib2/l2.kt

@@ -0,0 +1,2 @@
+
+fun qux(exp: Boolean): String = if (exp) exp_foo() else foo()

compiler/testData/klibABI/removeFunction/lib2/module.info

@@ -0,0 +1,2 @@
+STEP 0:
+    dependencies: stdlib, lib1

compiler/testData/klibABI/removeFunction/main/m.kt

@@ -0,0 +1,16 @@
+
+fun test1(): String {
+    try {
+        return qux(true)
+    } catch(ex: Throwable) {
+        return "O"
+    }
+
+    return "FAIL2"
+}
+
+fun test2(): String = qux(false)
+
+fun box(): String {
+    return test1() + test2()
+}

compiler/testData/klibABI/removeFunction/main/module.info

@@ -0,0 +1,2 @@
+STEP 0:
+    dependencies: stdlib, lib1, lib2

compiler/testData/klibABI/removeFunction/project.info

@@ -0,0 +1,7 @@
+MODULES: lib1, lib2, main
+
+STEP 0:
+    libs: lib1, lib2, main
+
+STEP 1:
+    libs: lib1