I just tried to compile the Suse Linux package smalltalk-2.1.12 with the GNU C compiler version 4.4 snapshot 20080404
The compiler said gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I.. -I../lib-src -I../lightning -I../lightning -I../snprintfv -I../snprintfv -DKERNEL_PATH=\"/usr/share/smalltalk/kernel\" -Wall -DIMAGE_PATH=\"/usr/share/smalltalk\" -DMODULE_PATH=\"/usr/lib64/smalltalk\" -O2 -g -fmessage-length=0 -D_FORTIFY_SOURCE=2 -Wall -Wdeclaration-after-statement -Wno-format -Wno-parentheses -Wpointer-arith -Wno-pointer-sign -Wno-strict-aliasing -Wno-switch -fno-gcse -fno-strict-aliasing -MT oop.lo -MD -MP -MF .deps/oop.Tpo -c oop.c -o oop.o oop.c: In function '_gst_mark_an_oop_internal': oop.c:2060: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Preprocessed source code attached. Flag -Wall required Here is some additional help from valgrind ==2919== Invalid read of size 2 ==2919== at 0x42588E: emit_side_effect_warnings (c-typeck.c:7522) ==2919== by 0x42DB50: c_finish_stmt_expr (c-typeck.c:7670) ==2919== by 0x47ACB7: c_parser_postfix_expression (c-parser.c:5230) ==2919== by 0x47AEEE: c_parser_unary_expression (c-parser.c:4982) ==2919== by 0x47B91C: c_parser_cast_expression (c-parser.c:4857) ==2919== by 0x47B9A4: c_parser_cast_expression (c-parser.c:4850) ==2919== by 0x47BA6D: c_parser_conditional_expression (c-parser.c:4687) ==2919== by 0x47C254: c_parser_expr_no_commas (c-parser.c:4448) ==2919== by 0x47C441: c_parser_expression (c-parser.c:5695) ==2919== by 0x47A42D: c_parser_postfix_expression (c-parser.c:5257) ==2919== by 0x47AEEE: c_parser_unary_expression (c-parser.c:4982) ==2919== by 0x47B91C: c_parser_cast_expression (c-parser.c:4857) ==2919== Address 0x0 is not stack'd, malloc'd or (recently) free'd -- Summary: ice for legal code Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dcb314 at hotmail dot com GCC host triplet: x86_64-suse-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35893
