KT-8275 Unterminated multi-line comment should be compilation error

#KT-8275 fixed

compiler/testData/psi/BlockCommentUnmatchedClosing_ERR.txt

@@ -0,0 +1,22 @@
+JetFile: BlockCommentUnmatchedClosing_ERR.kt
+  PACKAGE_DIRECTIVE
+    <empty list>
+  IMPORT_LIST
+    <empty list>
+  FUN
+    PsiElement(fun)('fun')
+    PsiWhiteSpace(' ')
+    PsiElement(IDENTIFIER)('f')
+    VALUE_PARAMETER_LIST
+      PsiElement(LPAR)('(')
+      PsiElement(RPAR)(')')
+    PsiWhiteSpace(' ')
+    BLOCK
+      PsiElement(LBRACE)('{')
+      PsiWhiteSpace('\n    ')
+      PsiErrorElement:Expecting an element
+        PsiElement(MUL)('*')
+      PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
+        PsiElement(DIV)('/')
+      PsiWhiteSpace('\n')
+      PsiElement(RBRACE)('}')