[core] ConcurrentModificationException while generating class body

[bagipro]

Hey!

APK: https://drive.google.com/file/d/1XBpFGkIORvQkPu8sYaWFpSZ1ZI87QpxR/view?usp=sharing

File com/android/wifitrackerlib/BaseWifiTracker.java:

jadx.core.utils.exceptions.JadxRuntimeException: Failed to generate code for class: com.android.wifitrackerlib.BaseWifiTracker
	at jadx.core.ProcessClass.generateCode(ProcessClass.java:121)
	at jadx.core.dex.nodes.ClassNode.decompile(ClassNode.java:384)
	at jadx.core.dex.nodes.ClassNode.getCode(ClassNode.java:332)
Caused by: jadx.core.utils.exceptions.JadxRuntimeException: Code generation error
	at jadx.core.codegen.CodeGen.wrapCodeGen(CodeGen.java:55)
	at jadx.core.codegen.CodeGen.generateJavaCode(CodeGen.java:34)
	at jadx.core.codegen.CodeGen.generate(CodeGen.java:22)
	at jadx.core.ProcessClass.process(ProcessClass.java:77)
	at jadx.core.ProcessClass.generateCode(ProcessClass.java:115)
	... 2 more
Caused by: java.util.ConcurrentModificationException
	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1627)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
	at jadx.core.codegen.ClassGen.skipMethod(ClassGen.java:331)
	at jadx.core.codegen.ClassGen.addMethod(ClassGen.java:298)
	at jadx.core.codegen.ClassGen.lambda$addInnerClsAndMethods$3(ClassGen.java:272)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1507)
	at java.base/java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:395)
	at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258)

[skylot]

Sadly, I don't understand the root cause of this issue, also I am not lucky enough to reproduce this concurrent issue 😭
Anyway, I handle exception and now in the worst case unneeded inlined method will be kept in code, so it will not break code and code generation 👍