-Xdoclint + -Xprefer:source + incremental compilation == FAIL

[Jonathan Gibbons]

Martin,

Thanks for the clever/thorough test case/demo.

-- Jon

On 09/10/2013 09:58 AM, Jonathan Gibbons wrote:
> This is now being tracked as 8024538.
>
> Normally, this should show up soon on bugs.sun.com, but the sync is "a 
> bit sluggish" right now.
>
> -- Jon
>
> On 09/09/2013 11:49 AM, Martin Buchholz wrote:
>> Hi doclint/javac folk,
>>
>> I reported this problem earlier, but that wasn't perhaps the best bug 
>> report.  Here's another attempt that is independent of ant and 
>> hopefully provides a cleaner bug report with easy repro.  (Inspired 
>> by the exciting release of jdk8-b106)
>>
>> I get an internal javac error, but only with the combination of
>> -Xdoclint +  -Xprefer:source + incremental compilation
>>
>> Not too many people will encounter this, but for those who do, it's a 
>> very serious bug, that seems like it should be easy to fix.
>>
>> Here's the repro:
>>
>>  $ (set -eux; JAVAC=$HOME/jdk/jdk1.8.0-b106/bin/javac TMPDIR=/tmp/t9; 
>> my_javac() { $JAVAC -d classes -sourcepath src/main 
>> -XDignore.symbol.file=true -Xdoclint:all/protected -Xprefer:source 
>> "$@"; } ; rm -rf $TMPDIR && mkdir -p $TMPDIR && cd $TMPDIR && wget -q 
>> http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166.tar.gz && tar xf 
>> jsr166.tar.gz && cd jsr166 && mkdir -p classes && my_javac $(find 
>> src/main -name '*.java') && touch $(find src/main -name Queue.java) 
>> && my_javac $(find src/main -name Queue.java) )
>> +/bin/zsh:37> 
>> JAVAC=/usr/local/google/home/martinrb/jdk/jdk1.8.0-b106/bin/javac 
>> TMPDIR=/tmp/t9
>> +/bin/zsh:37> rm -rf /tmp/t9
>> +/bin/zsh:37> mkdir -p /tmp/t9
>> +/bin/zsh:37> cd /tmp/t9
>> +chpwd:1> [[ 13178 != 7283 ]]
>> +chpwd:2> unfunction chpwd
>> +/bin/zsh:37> wget -q 
>> http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166.tar.gz
>> +/bin/zsh:37> tar xf jsr166.tar.gz
>> +/bin/zsh:37> cd jsr166
>> +/bin/zsh:37> mkdir -p classes
>> +/bin/zsh:37> find src/main -name '*.java'
>> +/bin/zsh:37> my_javac src/main/java/util/NavigableSet.java [... 
>> snipped ... ]
>>   15.23s user 0.32s system 439% cpu 3.540 total
>> +/bin/zsh:37> find src/main -name Queue.java
>> +/bin/zsh:37> touch src/main/java/util/Queue.java
>> +/bin/zsh:37> find src/main -name Queue.java
>> +/bin/zsh:37> my_javac src/main/java/util/Queue.java
>> +my_javac:0> 
>> /usr/local/google/home/martinrb/jdk/jdk1.8.0-b106/bin/javac -d 
>> classes -sourcepath src/main '-XDignore.symbol.file=true' 
>> -Xdoclint:all/protected -Xprefer:source src/main/java/util/Queue.java
>> Exception in thread "main" java.lang.RuntimeException: 
>> java.util.NoSuchElementException
>> at com.sun.tools.javac.main.Main.compile(Main.java:559)
>> at com.sun.tools.javac.main.Main.compile(Main.java:381)
>> at com.sun.tools.javac.main.Main.compile(Main.java:370)
>> at com.sun.tools.javac.main.Main.compile(Main.java:361)
>> at com.sun.tools.javac.Main.compile(Main.java:64)
>> at com.sun.tools.javac.Main.main(Main.java:50)
>> Caused by: java.util.NoSuchElementException
>> at java.util.LinkedList.removeFirst(LinkedList.java:270)
>> at java.util.LinkedList.pop(LinkedList.java:801)
>> at com.sun.tools.doclint.Checker.visitLink(Checker.java:649)
>> at com.sun.tools.doclint.Checker.visitLink(Checker.java:91)
>> at com.sun.tools.javac.tree.DCTree$DCLink.accept(DCTree.java:422)
>> at 
>> com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:65)
>> at 
>> com.sun.source.util.DocTreeScanner.scanAndReduce(DocTreeScanner.java:81)
>> at com.sun.source.util.DocTreeScanner.scan(DocTreeScanner.java:92)
>> at 
>> com.sun.source.util.DocTreeScanner.scanAndReduce(DocTreeScanner.java:100)
>> at 
>> com.sun.source.util.DocTreeScanner.visitDocComment(DocTreeScanner.java:140)
>> at com.sun.tools.doclint.Checker.visitDocComment(Checker.java:213)
>> at com.sun.tools.doclint.Checker.visitDocComment(Checker.java:91)
>> at com.sun.tools.javac.tree.DCTree$DCDocComment.accept(DCTree.java:122)
>> at 
>> com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:47)
>> at com.sun.tools.doclint.Checker.scan(Checker.java:175)
>> at com.sun.tools.doclint.DocLint$2.visitDecl(DocLint.java:274)
>> at com.sun.tools.doclint.DocLint$DeclScanner.visitClass(DocLint.java:338)
>> at com.sun.tools.doclint.DocLint$DeclScanner.visitClass(DocLint.java:325)
>> at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:714)
>> at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68)
>> at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91)
>> at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99)
>> at 
>> com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:120)
>> at 
>> com.sun.tools.doclint.DocLint$DeclScanner.visitCompilationUnit(DocLint.java:333)
>> at 
>> com.sun.tools.doclint.DocLint$DeclScanner.visitCompilationUnit(DocLint.java:325)
>> at 
>> com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:550)
>> at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68)
>> at com.sun.tools.doclint.DocLint$3.finished(DocLint.java:287)
>> at 
>> com.sun.tools.javac.api.ClientCodeWrapper$WrappedTaskListener.finished(ClientCodeWrapper.java:681)
>> at 
>> com.sun.tools.javac.api.MultiTaskListener.finished(MultiTaskListener.java:111)
>> at 
>> com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:986)
>> at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:856)
>> at com.sun.tools.javac.main.Main.compile(Main.java:523)
>> ... 5 more
>

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