Suppot inlining default methods, inlining function into its default.

compiler/testData/codegen/boxInline/inlineInDefaultParameter/1.kt

@@ -0,0 +1,26 @@
+import test.*
+
+fun testCompilation(arg: String = getStringInline()): String {
+    return arg
+}
+
+inline fun testCompilationInline(arg: String = getStringInline()): String {
+    return arg
+}
+
+fun box(): String {
+    var result = testCompilation()
+    if (result != "OK") return "fail1: ${result}"
+
+    result = testCompilation("OKOK")
+    if (result != "OKOK") return "fail2: ${result}"
+
+
+    result = testCompilationInline()
+    if (result != "OK") return "fail3: ${result}"
+
+    result = testCompilationInline("OKOK")
+    if (result != "OKOK") return "fail4: ${result}"
+
+    return "OK"
+}

compiler/testData/codegen/boxInline/inlineInDefaultParameter/2.kt

@@ -0,0 +1,5 @@
+package test
+
+inline fun getStringInline(): String {
+    return "OK"
+}