All misc tests green

Author: liufengyun

compiler/test/dotty/tools/dotc/CompilationTests.scala

@@ -287,7 +287,6 @@ class CompilationTests extends ParallelTesting {
     val options = defaultOptions.and("-Ycheck-init", "-Xfatal-warnings")
     aggregateTests(
       compileFilesInDir("tests/init/neg/", options),
-      compileFilesInDir("tests/init/neg/misc", options),
       compileFilesInDir("tests/init/neg/crash", options),
     )
   }.checkExpectedErrors()

tests/init/neg/misc/alias.scala renamed to tests/init/neg/alias.scala

@@ -17,7 +17,7 @@ object assignments {
 
   var c = new C
   c.x =c.x + 1
-  c.x *= 2
+  c.x = c.x * 2
 
   val cc = c
   import cc._