[Pharo-dev] [regression reporter]regression occurred

https://ci.inria.fr/pharo/job/Pharo-3.0-Update-Step-2-Validation/label=linux... 3 regressions found. AST.Interpreter.Test.ASTInterpreterTest.testSignalHalt OpalCompiler.Tests.Misc.MethodMapTests.testMethodSourceNodeAtPC OpalCompiler.Tests.Misc.MethodMapTests.testSimpleSourceMapping