[tree-ssa] Bootstrap broken on x86_64-linux-gnu

[Andreas Jaeger <aj at suse dot de>]

Bootstrap of current tree-ssa branch fails on x86_64-linux-gnu now
with:

stage1/xgcc -Bstage1/ -B/opt/gcc/tree-ssa-20020619-branch/x86_64-suse-linux-gnu/bin/ -c   -g -O2  -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Werror -fno-common -Wno-error  -DHAVE_CONFIG_H    -I. -I. -I/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc -I/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/. -I/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/../include -I/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/../libbanshee/libcompat -I/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/../libbanshee -I/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/../libbanshee/points-to  /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/combine.c -o combine.o
/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/combine.c: In function `try_combine':

/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/combine.c:1486: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[2]: *** [combine.o] Error 1
make[2]: *** Waiting for unfinished jobs....

I configured with:
# /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/configure  --prefix=/opt/gcc/tree-ssa-20020619-branch --disable-nls --enable-threads=posix --enable-clocale=gnu --enable-__cxa_atexit --enable-shared --enable-languages=c,c++,java,f95,objc --enable-checking=misc,tree,rtl,gc,rtlflag --with-system-zlib x86_64-suse-linux-gnu --with-gcc-version-trigger=/usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/version.c --with-libbanshee

gdb shows:

(gdb) r -fpreprocessed combine.i -quiet -dumpbase combine.c -mtune=k8 -auxbase-strip combine.o -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Werror -Wno-error -version -fno-common -o combine.s
Starting program: /abuild/aj/builds/gcc/one/gcc/stage1/cc1 -fpreprocessed combine.i -quiet -dumpbase combine.c -mtune=k8 -auxbase-strip combine.o -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Werror -Wno-error -version -fno-common -o combine.s
Breakpoint 2 at 0x2a9569fc30
Breakpoint 3 at 0x2a9569ed00
GNU C version 3.5-tree-ssa 20031029 (merged 20031026) (x86_64-suse-linux-gnu)
        compiled by GNU C version 3.3.1 (SuSE Linux).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096

Program received signal SIGSEGV, Segmentation fault.
0x0000000000cfa44c in make_ssa_name (var=0x2a96f3d620, stmt=0x131)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/tree.c:5241
5241      if ((!DECL_P (var)
(gdb) bt
#0  0x0000000000cfa44c in make_ssa_name (var=0x2a96f3d620, stmt=0x131)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/tree.c:5241
#1  0x000000000051287f in insert_one_operand (ei=0x2a9b4bf480, 
    ephi=0x2a96f3d7e0, opnd_indx=0, x=0x1c60738, succ=0x1891a88)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/tree-ssa-pre.c:1915
#2  0x0000000000513c62 in finalize_1 (ei=0x2a9b4bf480)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/tree-ssa-pre.c:2099
#3  0x000000000051918e in pre_expression (slot=0x2a9b4bf480, data=0x1c90580, 
    vars_to_rename=0x1704f00)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/tree-ssa-pre.c:3089
#4  0x000000000051a455 in tree_perform_ssapre (fndecl=0x2a960d11c0, 
    phase=TDI_pre)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/tree-ssa-pre.c:3292
#5  0x00000000004dfda0 in optimize_function_tree (fndecl=0x2a960d11c0)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/tree-optimize.c:153
#6  0x00000000004e03c1 in tree_rest_of_compilation (fndecl=0x2a960d11c0, 
    nested_p=false)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/tree-optimize.c:302
#7  0x0000000000428735 in c_expand_body_1 (fndecl=0x2a960d11c0, nested_p=0)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/c-decl.c:6202
#8  0x0000000000428aca in c_expand_body (fndecl=0x2a960d11c0)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/c-decl.c:6232
#9  0x0000000000d88d49 in cgraph_expand_function (node=0x2a9619d780)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/cgraphunit.c:497
#10 0x0000000000d8af3f in cgraph_expand_all_functions ()
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/cgraphunit.c:1330
#11 0x0000000000d8b14a in cgraph_optimize ()
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/cgraphunit.c:1394
#12 0x0000000000487025 in c_objc_common_finish_file ()
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/c-objc-common.c:243
#13 0x000000000040e1cd in finish_file ()
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/c-lang.c:196
#14 0x000000000047865b in c_common_parse_file (set_yydebug=0)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/c-opts.c:1227
#15 0x0000000000cdaeb2 in compile_file ()
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/toplev.c:1876
#16 0x0000000000ce012a in do_compile ()
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/toplev.c:4744
#17 0x0000000000ce01c2 in toplev_main (argc=24, argv=0x7fbfffef38)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/toplev.c:4784
#18 0x00000000004b4f0f in main (argc=24, argv=0x7fbfffef38)
    at /usr/src/aj/cvs/gcc-tree-ssa-20020619-branch/gcc/main.c:35



Andreas
-- 
 Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj
  SuSE Linux AG, Deutschherrnstr. 15-19, 90429 Nürnberg, Germany
   GPG fingerprint = 93A3 365E CE47 B889 DF7F  FED1 389A 563C C272 A126

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