Fix false positive for if-else

idea/src/org/jetbrains/kotlin/idea/inspections/RedundantSemicolonInspection.kt

@@ -23,6 +23,7 @@ import com.intellij.psi.PsiComment
 import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiElementVisitor
 import com.intellij.psi.PsiWhiteSpace
+import org.jetbrains.kotlin.KtNodeTypes
 import org.jetbrains.kotlin.kdoc.psi.api.KDoc
 import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
 import org.jetbrains.kotlin.lexer.KtTokens
@@ -58,6 +59,8 @@ class RedundantSemicolonInspection : AbstractKotlinInspection(), CleanupLocalIns
             return false
         }
 
+        if (semicolon.prevLeaf()?.node?.elementType == KtNodeTypes.ELSE) return false
+
         if (semicolon.parent is KtEnumEntry) return false
 
         (semicolon.parent.parent as? KtClass)?.let {

idea/testData/inspectionsLocal/redundantSemicolon/ifElse.kt

@@ -0,0 +1,7 @@
+// PROBLEM: none
+// WITH_RUNTIME
+
+fun test() {
+    if (true) println("hello") else<caret>;
+    println("hi")
+}

idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java

@@ -4181,6 +4181,11 @@ public class LocalInspectionTestGenerated extends AbstractLocalInspectionTest {
         public void testCompanionWithName() throws Exception {
             runTest("idea/testData/inspectionsLocal/redundantSemicolon/companionWithName.kt");
         }
+
+        @TestMetadata("ifElse.kt")
+        public void testIfElse() throws Exception {
+            runTest("idea/testData/inspectionsLocal/redundantSemicolon/ifElse.kt");
+        }
     }
 
     @TestMetadata("idea/testData/inspectionsLocal/redundantSetter")