Partest doesn't report warnings if multi-round compilation #829
Description
Reproduction steps
Scala version: 2.13.10
partest jvm/t7253ought to report the warnings which show the code is not valid.
I tried to tweak it to at least put warnings in the transcript under --verbose.
% scalac t7253/test.scala % WARNINGS! % test.scala:14: warning: method without a parameter list overrides a method with a single empty one def show: Unit = { ^ test.scala:28: warning: comparing values of types Int and String using `==` will always yield false (opcode == "INVOKEVIRTUAL") || (opcode == "INVOKEINTERFACE") ^ test.scala:28: warning: comparing values of types Int and String using `==` will always yield false (opcode == "INVOKEVIRTUAL") || (opcode == "INVOKEINTERFACE") ^ Problem
Posting a ticket as reminder to return to this later.
Alternatively, partest DirectCompiler could turn on -Werror, perhaps under --verbose.