Compiling glibc with -m32 I get the following ICE:
/opt/gcc/4.0-devel/libexec/gcc/x86_64-suse-linux-gnu/4.0.0/cc1 -fpreprocessed
inl-tester.i -quiet -dumpbase inl-tester.c -m32 -march=i686
-mpreferred-stack-boundary=2
-auxbase-strip /builds/glibc/4.0-linuxthreads-32bit/string/inl-tester.o -g -O2
-Wall -Winline -Wno-sign-compare -Wstrict-prototypes -Wwrite-strings -std=gnu99
-version -o inl-tester.s
GNU C version 4.0.0 20050122 (experimental) (x86_64-suse-linux-gnu)
compiled by GNU C version 4.0.0 20050122 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
inl-tester.i: In function ?test_stpncpy?:
inl-tester.i:10153: 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.
gdb reports:
gdb --args /opt/gcc/4.0-devel/libexec/gcc/x86_64-suse-linux-gnu/4.0.0/cc1
-fpreprocessed inl-tester.i -quiet -dumpbase inl-tester.c -m32 -march=i686
-mpreferred-stack-boundary=2
-auxbase-strip /builds/glibc/4.0-linuxthreads-32bit/string/inl-tester.o -g -O2
-Wall -Winline -Wno-sign-compare -Wstrict-prototypes -Wwrite-strings -std=gnu99
-version -o inl-tester.s
GNU gdb 6.2.1
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GDB is free software, covered by the GNU General Public License, and you are
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Type "show copying" to see the conditions.
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This GDB was configured as "x86_64-suse-linux"...Using host libthread_db
library "/lib64/tls/libthread_db.so.1".
(gdb) r
GNU C version 4.0.0 20050122 (experimental) (x86_64-suse-linux-gnu)
compiled by GNU C version 4.0.0 20050122 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Program received signal SIGSEGV, Segmentation fault.
decl_function_context (decl=0x0) at /cvs/gcc/gcc/tree.c:5081
5081 if (TREE_CODE (decl) == ERROR_MARK)
(gdb) bt
#0 decl_function_context (decl=0x0) at /cvs/gcc/gcc/tree.c:5081
#1 0x0000000000580c8c in gen_decl_die (decl=Variable "decl" is not available.
) at /cvs/gcc/gcc/dwarf2out.c:10501
#2 0x0000000000586325 in decls_for_scope (stmt=0x2a96dcf310,
context_die=0x2a96d74640, depth=2) at /cvs/gcc/gcc/dwarf2out.c:12403
#3 0x0000000000586630 in gen_lexical_block_die (stmt=0x2a96dcf310,
context_die=0x0, depth=2) at /cvs/gcc/gcc/dwarf2out.c:11646
#4 0x0000000000585f25 in gen_block_die (stmt=0x2a96dcf310,
context_die=0x2a96d74410, depth=2) at /cvs/gcc/gcc/dwarf2out.c:12364
#5 0x00000000005863bd in decls_for_scope (stmt=Variable "stmt" is not
available.
) at /cvs/gcc/gcc/dwarf2out.c:12416
#6 0x00000000005860d5 in gen_block_die (stmt=0x2a96dcf230,
context_die=0x2a96d74370, depth=1) at /cvs/gcc/gcc/dwarf2out.c:11675
#7 0x00000000005863bd in decls_for_scope (stmt=Variable "stmt" is not
available.
) at /cvs/gcc/gcc/dwarf2out.c:12416
#8 0x000000000058456b in gen_subprogram_die (decl=0x2a96209dd0,
context_die=Variable "context_die" is not available.
) at /cvs/gcc/gcc/dwarf2out.c:11474
#9 0x0000000000907c60 in rest_of_compilation () at /cvs/gcc/gcc/passes.c:330
#10 0x000000000047c5ef in execute_pass_list (pass=0xccc240)
at /cvs/gcc/gcc/tree-optimize.c:527
#11 0x000000000047c919 in tree_rest_of_compilation (fndecl=0x2a96209dd0)
at /cvs/gcc/gcc/tree-optimize.c:663
#12 0x0000000000419dab in c_expand_body (fndecl=0x2a96209dd0)
at /cvs/gcc/gcc/c-decl.c:6424
#13 0x000000000093c460 in cgraph_expand_function (node=0x2a9615c000)
at /cvs/gcc/gcc/cgraphunit.c:822
#14 0x000000000093dab1 in cgraph_optimize () at /cvs/gcc/gcc/cgraphunit.c:1689
#15 0x00000000008de5b5 in toplev_main (argc=Variable "argc" is not available.
) at /cvs/gcc/gcc/toplev.c:1009
#16 0x0000002a9568900d in __libc_start_main () from /lib64/tls/libc.so.6
#17 0x00000000004025aa in _start () at start.S:113
#18 0x0000007fbfffead8 in ?? ()
--
Summary: internal compiler error: Segmentation fault in
gen_decl_die
Product: gcc
Version: 4.0.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: aj at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: x86_64-linux-gnu
GCC host triplet: x86_64-linux-gnu
GCC target triplet: x86_64-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19585
