http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51787
Bug #: 51787
Summary: [4.7.0 Regression] internal compiler error: in
inline_small_functions, at ipa-inline.c:1410
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: dougmenc...@gmail.com
I'm trying to get GCC 4.7. Latest weekly snapshot done Dec 31, 2011
(gcc-v4.7-20111231) fails to bootstrap on stage2:
/root/build-farm/_gcc_bootstrap/./prev-gcc/g++
-B/root/build-farm/_gcc_bootstrap/./prev-gcc/
-B/usr/powerpc-gnu-linux-uclibc/bin/ -nostdinc++
-B/root/build-farm/_gcc_bootstrap/prev-powerpc-gnu-linux-uclibc/libstdc++-v3/src/.libs
-B/root/build-farm/_gcc_bootstrap/prev-powerpc-gnu-linux-uclibc/libstdc++-v3/libsupc++/.libs
-I/root/build-farm/_gcc_bootstrap/prev-powerpc-gnu-linux-uclibc/libstdc++-v3/include/powerpc-gnu-linux-uclibc
-I/root/build-farm/_gcc_bootstrap/prev-powerpc-gnu-linux-uclibc/libstdc++-v3/include
-I/root/build-farm/gcc-v4.7-20111231.sourcedir/libstdc++-v3/libsupc++
-L/root/build-farm/_gcc_bootstrap/prev-powerpc-gnu-linux-uclibc/libstdc++-v3/src/.libs
-L/root/build-farm/_gcc_bootstrap/prev-powerpc-gnu-linux-uclibc/libstdc++-v3/libsupc++/.libs
-c -O3 -gtoggle -DIN_GCC -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H -I. -I.
-I../../gcc-v4.7-20111231.sourcedir/gcc
-I../../gcc-v4.7-20111231.sourcedir/gcc/.
-I../../gcc-v4.7-20111231.sourcedir/gcc/../include
-I../../gcc-v4.7-20111231.sourcedir/gcc/../libcpp/include
-I../../gcc-v4.7-20111231.sourcedir/gcc/../libdecnumber
-I../../gcc-v4.7-20111231.sourcedir/gcc/../libdecnumber/dpd -I../libdecnumber
../../gcc-v4.7-20111231.sourcedir/gcc/cgraph.c -o cgraph.o
In file included from ../../gcc-v4.7-20111231.sourcedir/gcc/cgraph.c:3060:0:
./gt-cgraph.h:66:2: internal compiler error: in inline_small_functions, at
ipa-inline.c:1410
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [cgraph.o] Error 1
make[3]: Leaving directory `/root/build-farm/_gcc_bootstrap/gcc'
make[2]: *** [all-stage2-gcc] Error 2
make[2]: Leaving directory `/root/build-farm/_gcc_bootstrap'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/root/build-farm/_gcc_bootstrap'
make: *** [all] Error 2
ERROR: stage2 bootstrap error. Abort.
I'm building everything with -O3.
Configure line:
../gcc-v4.7-20111231.sourcedir/configure --prefix=/usr --sysconfdir=/etc
--mandir=/usr/share/man --build=powerpc-gnu-linux-uclibc
--host=powerpc-gnu-linux-uclibc --target=powerpc-gnu-linux-uclibc
--enable-languages=c,c++,fortran,java --enable-stage1-languages=c,c++,fortran
--with-cpu=default32 --enable-threads=posix --with-system-zlib
--with-libiconv-prefix=/usr --without-included-gettext --disable-nls
--disable-werror --disable-multilib --disable-libssp --disable-__cxa_atexit
--enable-shared --without-gjdoc --enable-libgcj --enable-libgcj-multifile
--enable-interpreter --disable-libjava-multilib --disable-browser-plugin
--enable-checking=release
stage0's gcc -v:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/powerpc-gnu-linux-uclibc/4.6.1/lto-wrapper
Target: powerpc-gnu-linux-uclibc
Configured with: ../gcc-v4.6.1.sourcedir/configure --prefix=/usr
--sysconfdir=/etc --mandir=/usr/share/man --build=powerpc-gnu-linux-uclibc
--host=powerpc-gnu-linux-uclibc --target=powerpc-gnu-linux-uclibc
--enable-languages=c,c++,fortran,java --with-cpu=default32
--enable-threads=posix --with-system-zlib --with-libiconv-prefix=/usr
--disable-nls --disable-werror --disable-multilib --disable-libssp
--disable-__cxa_atexit --disable-checking --enable-shared --without-gjdoc
--enable-libgcj --enable-libgcj-multifile --enable-interpreter
--disable-libjava-multilib --disable-browser-plugin
Thread model: posix
gcc version 4.6.1 (GCC)
cgraph.ii is attached.
Lines 1399-1416 from ipa-inline.c:
1399: /* Be sure that caches are maintained consistent.
1400: We can not make this ENABLE_CHECKING only because it cause
differnt
1401: updates of the fibheap queue. */
1402: cached_badness = edge_badness (edge, false);
1403: reset_edge_growth_cache (edge);
1404: reset_node_growth_cache (edge->callee);
1405:
1406: /* When updating the edge costs, we only decrease badness in the
keys.
1407: Increases of badness are handled lazilly; when we see key with
out
1408: of date value on it, we re-insert it now. */
1409: current_badness = edge_badness (edge, false);
1410:>>>> gcc_assert (cached_badness == current_badness);
1411: gcc_assert (current_badness >= badness);
1412: if (current_badness != badness)
1413: {
1414: edge->aux = fibheap_insert (heap, current_badness, edge);
1415: continue;
1416: }
