ant-bootstrap segfaults on ‘staging’ on i686-linux

[Ludovic Courtès]

Hello Guix,

‘staging’ is definitely usable on x86_64 now.  On i686, Java is pretty
much missing though:

--8<---------------cut here---------------start------------->8---
Issued 1 semantic warning compiling 
"src/main/org/apache/tools/ant/taskdefs/rmic/XNewRmic.java":

    34.     public static final String COMPILER_NAME = "xnew";
                                       ^-----------^
*** Semantic Warning: Field "COMPILER_NAME" shadows a field of the same name in 
"org.apache.tools.ant.taskdefs.rmic.ForkingSunRmic".
... Copying Required Files
... Building Ant Distribution
bootstrap.sh: line 154:    30 Segmentation fault      "${JAVACMD}" -Xnocompact 
-Xnoinlining -classpath "${CLASSPATH}" -Dant.home=. $ANT_OPTS 
org.apache.tools.ant.Main -ap
... Failed Building Ant Distribution !
--8<---------------cut here---------------end--------------->8---

See
<https://ci.guix.info/log/9h2243hfqdhav451dni4gvplvg9hfq-ant-bootstrap-1.8.4>.

What do our Java people think?  :-)

Ludo’.