Correct fix for scheduler bug PR11320

[Andreas Schwab]

I'm now seeing this ICE:

/bin/sh ./libtool --tag=GCJ   --mode=compile /usr/local/gcc/gcc-20110719/Build/./gcc/gcj -B/usr/local/gcc/gcc-20110719/Build/ia64-suse-linux/libjava/ -B/usr/local/gcc/gcc-20110719/Build/./gcc/ -B/usr/ia64-suse-linux/bin/ -B/usr/ia64-suse-linux/lib/ -isystem /usr/ia64-suse-linux/include -isystem /usr/ia64-suse-linux/sys-include    -funwind-tables -fclasspath= -fbootclasspath=../../../libjava/classpath/lib --encoding=UTF-8 -Wno-deprecated -fbootstrap-classes -g -O2  -c -o java/lang/ref.lo -fsource-filename=/usr/local/gcc/gcc-20110719/Build/ia64-suse-linux/libjava/classpath/lib/classes -MT java/lang/ref.lo -MD -MP -MF java/lang/ref.deps @java/lang/ref.list
libtool: compile:  /usr/local/gcc/gcc-20110719/Build/./gcc/gcj -B/usr/local/gcc/gcc-20110719/Build/ia64-suse-linux/libjava/ -B/usr/local/gcc/gcc-20110719/Build/./gcc/ -B/usr/ia64-suse-linux/bin/ -B/usr/ia64-suse-linux/lib/ -isystem /usr/ia64-suse-linux/include -isystem /usr/ia64-suse-linux/sys-include -funwind-tables -fclasspath= -fbootclasspath=../../../libjava/classpath/lib --encoding=UTF-8 -Wno-deprecated -fbootstrap-classes -g -O2 -c -fsource-filename=/usr/local/gcc/gcc-20110719/Build/ia64-suse-linux/libjava/classpath/lib/classes -MT java/lang/ref.lo -MD -MP -MF java/lang/ref.deps @java/lang/ref.list  -fPIC -o java/lang/.libs/ref.o
/usr/local/gcc/gcc-20110719/libjava/classpath/java/lang/ref/ReferenceQueue.java: In class 'java.lang.ref.ReferenceQueue':
/usr/local/gcc/gcc-20110719/libjava/classpath/java/lang/ref/ReferenceQueue.java: In method 'java.lang.ref.ReferenceQueue.enqueue(java.lang.ref.Reference)':
In file included from /usr/local/gcc/gcc-20110719/libjava/java/lang/ref/Reference.java:202:0,
                 from /usr/local/gcc/gcc-20110719/libjava/classpath/java/lang/ref/PhantomReference.java:75,
                 from <built-in>:6:
/usr/local/gcc/gcc-20110719/libjava/classpath/java/lang/ref/ReferenceQueue.java:97:0: internal compiler error: in advance_target_bb, at sched-ebb.c:691
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [java/lang/ref.lo] Error 1

Andreas.

-- 
Andreas Schwab, schwab@redhat.com
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