Fix JS source maps for catch blocks

js/js.tests/test/org/jetbrains/kotlin/js/test/JsLineNumberTestGenerated.java

@@ -36,6 +36,12 @@ public class JsLineNumberTestGenerated extends AbstractJsLineNumberTest {
         KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("js/js.translator/testData/lineNumbers"), Pattern.compile("^([^_](.+))\\.kt$"), TargetBackend.JS, true);
     }
 
+    @TestMetadata("catch.kt")
+    public void testCatch() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/lineNumbers/catch.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("chainedCall.kt")
     public void testChainedCall() throws Exception {
         String fileName = KotlinTestUtils.navigationMetadata("js/js.translator/testData/lineNumbers/chainedCall.kt");

js/js.translator/src/org/jetbrains/kotlin/js/translate/expression/CatchTranslator.kt

@@ -85,7 +85,9 @@ class CatchTranslator(
             initialCatchParameterRef: JsNameRef,
             catches: Iterator<KtCatchClause>
     ): JsStatement {
-        if (!catches.hasNext()) return JsThrow(initialCatchParameterRef)
+        if (!catches.hasNext()) {
+            return JsThrow(initialCatchParameterRef)
+        }
 
         var nextContext = context
 
@@ -117,7 +119,7 @@ class CatchTranslator(
         }!!
 
         val elseBlock = translateCatches(context, initialCatchParameterRef, catches)
-        return JsIf(typeCheck, thenBlock, elseBlock)
+        return JsIf(typeCheck.source(catch), thenBlock, elseBlock).apply { source = catch }
     }
 
     private fun translateCatchBody(context: TranslationContext, catchClause: KtCatchClause): JsBlock {

js/js.translator/testData/lineNumbers/catch.kt

@@ -0,0 +1,22 @@
+fun box() {
+    try {
+        println("foo")
+    }
+    catch (e: RuntimeException) {
+        println("bar")
+    }
+    catch (e: Exception) {
+        println("baz")
+    }
+}
+
+fun bar() {
+    try {
+        println("foo")
+    }
+    catch (e: dynamic) {
+        println("bar")
+    }
+}
+
+// LINES: 3 5 6 8 9 * 15 18