Improve ABI version error reporting in the compiler

- only report ABI errors if there's at least one other error
- append additional helpful information to the "unresolved reference" error

compiler/testData/cli/jvm/wrongAbiVersion.kt

@@ -1,5 +1,7 @@
 import wrong.*
 
 fun foo(x: ClassWithWrongAbiVersion) {
-  bar()
-}
+    bar()
+
+    1.set(2, 3)
+}

compiler/testData/cli/jvm/wrongAbiVersion.out

@@ -1,6 +1,12 @@
+compiler/testData/cli/jvm/wrongAbiVersion.kt:4:5: error: unresolved reference: bar
+(note: this may be caused by the fact that some classes compiled with an incompatible version of Kotlin were found in the classpath. Such classes cannot be loaded properly by this version of Kotlin compiler. See below for more information)
+    bar()
+    ^
+compiler/testData/cli/jvm/wrongAbiVersion.kt:6:7: error: unresolved reference. None of the following candidates is applicable because of receiver type mismatch:
+public fun <K, V> kotlin.MutableMap<kotlin.Int, kotlin.Int>.set(key: kotlin.Int, value: kotlin.Int): kotlin.Int? defined in kotlin
+(note: this may be caused by the fact that some classes compiled with an incompatible version of Kotlin were found in the classpath. Such classes cannot be loaded properly by this version of Kotlin compiler. See below for more information)
+    1.set(2, 3)
+      ^
 compiler/testData/cli/jvm/wrongAbiVersionLib/bin/ClassWithWrongAbiVersion.class: error: class 'ClassWithWrongAbiVersion' was compiled with an incompatible version of Kotlin. Its ABI version is unknown, expected ABI version is $ABI_VERSION$
 compiler/testData/cli/jvm/wrongAbiVersionLib/bin/wrong/WrongPackage.class: error: class 'wrong/WrongPackage' was compiled with an incompatible version of Kotlin. Its ABI version is unknown, expected ABI version is $ABI_VERSION$
-compiler/testData/cli/jvm/wrongAbiVersion.kt:4:3: error: unresolved reference: bar
-  bar()
-  ^
 COMPILATION_ERROR

compiler/testData/cli/jvm/wrongAbiVersionNoErrors.args

@@ -0,0 +1,5 @@
+$TESTDATA_DIR$/wrongAbiVersionNoErrors.kt
+-classpath
+$TESTDATA_DIR$/wrongAbiVersionLib/bin
+-d
+$TEMP_DIR$

compiler/testData/cli/jvm/wrongAbiVersionNoErrors.kt

@@ -0,0 +1,7 @@
+// This should compile despite the fact that there are usages of symbols with the wrong ABI version!
+
+import wrong.ClassWithInnerLambda
+
+fun happy(): Int {
+    return 2 + 2
+}

compiler/testData/cli/jvm/wrongAbiVersionNoErrors.out

@@ -0,0 +1 @@
+OK