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Bugzilla – Attachment 69648 Details for
Bug 190391
ECJ: Constructors can initialize other instance's final fields instead of their own
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Copyright Agent
a class that can break DA/DU as implemented in ECJ
ShouldNotCompile.java (text/plain), 697 bytes, created by
Adrian Mettler
on 2007-05-31 21:57:55 EDT
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Description:
a class that can break DA/DU as implemented in ECJ
Filename:
MIME Type:
Creator:
Adrian Mettler
Created:
2007-05-31 21:57:55 EDT
Size:
697 bytes
patch
obsolete
>/* > * This file should not compile; Sun's compiler and GCJ both refuse to compile > * it. Eclipse's compiler (ECJ) compiles it without complaint, generating > * bytecode that violates the semantics of final fields. > */ >public class ShouldNotCompile { > final int contents; > > ShouldNotCompile() { > contents = 3; > } > ShouldNotCompile(ShouldNotCompile other) { > other.contents = 5; > } > > public static void main(String[] args) { > ShouldNotCompile one = new ShouldNotCompile(); > System.out.println("one.contents: " + one.contents); > ShouldNotCompile two = new ShouldNotCompile(one); > System.out.println("one.contents: " + one.contents); > System.out.println("two.contents: " + two.contents); > } >}
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bug 190391
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