[Bug bootstrap/48415] New: GC Warning: Repeated allocation of very large block

[revital.eres at linaro dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48415

           Summary: GC Warning: Repeated allocation of very large block
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: revital.eres@linaro.org
              Host: powerpc64-suse-linux
            Target: powerpc64-suse-linux


While bootstrap trunk -r171831 on powerpc64-suse-linux
I get the following warning and Out of Memory message:


libtool: link: /home/eres/mainline/build/./gcc/gcj
-B/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/libjava/
-B/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/libjava/
-B/home/eres/mainline/build/./gcc/
-B/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/bin/
-B/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/lib/ -isystem
/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/include -isystem
/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/sys-include -m32 -fPIC
-mstrict-align -g -O2 -m32 -fPIC -mstrict-align -m32 -fPIC -mstrict-align -o
.libs/gij -shared-libgcc 
-L/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/libjava/.libs
-L/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/libjava
./.libs/libgij.so
/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/libjava/.libs/libgcj.so
-lpthread -lrt -ldl -Wl,-rpath -Wl,/home/eres/mainline/build/lib/../lib
-Wl,-rpath -Wl,/home/eres/mainline/build/lib/../lib/gcj-4.7.0-12
./gcj-dbtool -n classmap.db || touch classmap.db

GC Warning: Repeated allocation of very large block (appr. size 262144000):
        May lead to memory leak and poor performance.

libtool: compile:  /home/eres/mainline/build/./gcc/gcj
-B/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/libjava/
-B/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/libjava/
-B/home/eres/mainline/build/./gcc/
-B/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/bin/
-B/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/lib/ -isystem
/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/include -isystem
/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/sys-include -m32 -fPIC
-mstrict-align -fclasspath=
-fbootclasspath=../../../../gcc/libjava/classpath/lib --encoding=UTF-8
-Wno-deprecated -fbootstrap-classes -findirect-dispatch -fno-bootstrap-classes
-fno-indirect-classes
-fsource-filename=/home/eres/mainline/build/powerpc64-unknown-linux-gnu/32/libjava/classpath/tools/all-classes.lst
-g -O2 -m32 -fPIC -mstrict-align -MT classpath/tools/libgcj_tools_la-tools.lo
-MD -MP -MF classpath/tools/.deps/libgcj_tools_la-tools.Tpo -c
classpath/tools/tools.zip -o classpath/tools/libgcj_tools_la-tools.o >/dev/null
2>&1

GC Warning: Out of Memory!  Returning NIL!
GC Warning: Out of Memory!  Returning NIL!


The make instruction I use is as follows:

make bootstrap BOOT_CFLAGS="-O2 "

The configure I use is as follows:
../gcc/configure --enable-bootstrap --enable-checking