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Bug 226005 - NullPointerException at com.sun.tools.javac.jvm.Code.emitop1w
Summary: NullPointerException at com.sun.tools.javac.jvm.Code.emitop1w
Status: RESOLVED DUPLICATE of bug 178299
Alias: None
Product: java
Classification: Unclassified
Component: Compiler (show other bugs)
Version: 7.3
Hardware: All All
: P3 normal (vote)
Assignee: Dusan Balek
URL:
Keywords:
: 187641 (view as bug list)
Depends on:
Blocks:
 
Reported: 2013-02-12 07:14 UTC by Milos Kleint
Modified: 2014-08-04 15:17 UTC (History)
3 users (show)

See Also:
Issue Type: DEFECT
Exception Reporter: 173966

Attachments
stacktrace (4.97 KB, text/plain)
2013-02-12 07:14 UTC, Milos Kleint 		Details
stacktrace (4.90 KB, text/plain)
2014-04-04 09:58 UTC, Alexander Simon 		Details
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Description Milos Kleint 2013-02-12 07:14:22 UTC 
Build: NetBeans IDE Dev (Build 201301240001)
VM: Java HotSpot(TM) 64-Bit Server VM, 23.6-b04, Java(TM) SE Runtime Environment, 1.7.0_10-b18
OS: Windows 7

User Comments:
GUEST: Resolving conflicts of a Java source code




Stacktrace: 
java.lang.NullPointerException
   at com.sun.tools.javac.jvm.Code.emitop1w(Code.java:939)
   at com.sun.tools.javac.jvm.Items$LocalItem.load(Items.java:392)
   at com.sun.tools.javac.jvm.Gen.visitBinary(Gen.java:1959)
   at com.sun.tools.javac.tree.JCTree$JCBinary.accept(JCTree.java:1568)
   at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:840)
   at com.sun.tools.javac.jvm.Gen.genCond(Gen.java:820)
Comment 1 Milos Kleint 2013-02-12 07:14:24 UTC 
Created attachment 131273 [details]
stacktrace
Comment 2 Alexander Simon 2014-04-04 09:58:26 UTC 
Created attachment 146541 [details]
stacktrace

build project in console
Comment 3 Svata Dedic 2014-07-31 10:49:51 UTC 
No report except the last one (#719925) are relevant to 8.0 release.  Possibly #657465 might be related. 

Both #657465 and #719925 show an error fired up from an annotation processor during enter phase and subsequent compiler failure.

The cause might be a missing symbol (because of unfinished compilation phase), or an invalid local index (= a compiler implementation error). The VarSymbol.adr is written by newLocal in code generator, but also by Flow definitive assignment analyzer. If a symbol's use in code generator would be used before its VarDef is visited, AND it's index from the definitive assignment analysis is high enough - this error could happen.
I'm not sure whether/how this can happen though.
Comment 4 Svata Dedic 2014-07-31 10:52:09 UTC 
*** Bug 187641 has been marked as a duplicate of this bug. ***
Comment 5 Svata Dedic 2014-08-04 15:17:10 UTC 

*** This bug has been marked as a duplicate of bug 178299 ***