the following test-case: #ifndef __GNUC_VA_LIST #define __GNUC_VA_LIST typedef __builtin_va_list __gnuc_va_list; #endif
triggers the following ICE: % /arm-none-linux-eabi/libexec/gcc/arm-none-linux-eabi/4.5.2/cc1 -v ./test-case.c -g -femit-struct-debug-baseonly -o ./test-case.o ignoring nonexistent directory "/arm-none-linux-eabi/arm-none-linux-eabi//sys-root/x-tools/arm-none-linux-eabi/arm-none-linux-eabi//sys-root/include" ignoring duplicate directory "/data/src/toolchain/build/x-tools/arm-none-linux-eabi/arm-none-linux-eabi//sys-root/usr/include" #include "..." search starts here: #include <...> search starts here: /arm-none-linux-eabi/lib/gcc/arm-none-linux-eabi/4.5.2/include /arm-none-linux-eabi/lib/gcc/arm-none-linux-eabi/4.5.2/include-fixed /arm-none-linux-eabi/lib/gcc/arm-none-linux-eabi/4.5.2/../../../../arm-none-linux-abi/include End of search list. In file included from ./test-case.c:1:0: /arm-none-linux-eabi/lib/gcc/arm-none-linux-eabi/4.5.2/include/stdarg.h:40:1: 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. The stack trace is the following: Program received signal SIGSEGV, Segmentation fault. 0x08358433 in should_emit_struct_debug () Current language: auto; currently asm #0 0x08358433 in should_emit_struct_debug () #1 0x08201a26 in gen_struct_or_union_type_die () #2 0x08202338 in gen_type_die_with_usage () #3 0x08202390 in gen_type_die () #4 0x081f3f0f in modified_type_die () #5 0x081fda5f in add_type_attribute () #6 0x08201ed4 in gen_typedef_die () #7 0x08202fe6 in gen_decl_die () #8 0x08203916 in dwarf2out_decl () #9 0x08203324 in dwarf2out_type_decl () #10 0x0835bd65 in rest_of_decl_compilation () #11 0x080d265c in finish_decl () #12 0x08133677 in c_parser_declaration_or_fndef () #13 0x08133153 in c_parser_external_declaration () #14 0x08132e08 in c_parser_translation_unit () #15 0x08141d23 in c_parse_file () #16 0x08126063 in c_common_parse_file () #17 0x08426ae9 in compile_file () #18 0x08428973 in do_compile () #19 0x08428a38 in toplev_main () #20 0x0814a172 in main () dump of should_emit_struct_debug(): 0x08358410 <should_emit_struct_debug+101>: lea -0x1c(%ebp),%edx 0x08358413 <should_emit_struct_debug+104>: mov %eax,0x4(%esp) 0x08358417 <should_emit_struct_debug+108>: mov %edx,(%esp) 0x0835841a <should_emit_struct_debug+111>: call 0x8581c07 <expand_location> 0x0835841f <should_emit_struct_debug+116>: sub $0x4,%esp 0x08358422 <should_emit_struct_debug+119>: movzbl -0x10(%ebp),%eax 0x08358426 <should_emit_struct_debug+123>: test %al,%al 0x08358428 <should_emit_struct_debug+125>: je 0x8358430 <should_emit_struct_debug+133> 0x0835842a <should_emit_struct_debug+127>: movb $0x1,-0x31(%ebp) 0x0835842e <should_emit_struct_debug+131>: jmp 0x8358461 <should_emit_struct_debug+182> 0x08358430 <should_emit_struct_debug+133>: mov -0xc(%ebp),%eax 0x08358433 <should_emit_struct_debug+136>: mov 0x10(%eax),%eax ^^^ crash above ^^^ 0x08358436 <should_emit_struct_debug+139>: lea -0x2c(%ebp),%edx 0x08358439 <should_emit_struct_debug+142>: mov %eax,0x4(%esp) 0x0835843d <should_emit_struct_debug+146>: mov %edx,(%esp) 0x08358440 <should_emit_struct_debug+149>: call 0x8581c07 <expand_location> 0x08358445 <should_emit_struct_debug+154>: sub $0x4,%esp 0x08358448 <should_emit_struct_debug+157>: mov -0x2c(%ebp),%eax 0x0835844b <should_emit_struct_debug+160>: mov %eax,(%esp) 0x0835844e <should_emit_struct_debug+163>: call 0x8358335 <matches_main_base> 0x08358453 <should_emit_struct_debug+168>: test %eax,%eax 0x08358455 <should_emit_struct_debug+170>: je 0x835845d <should_emit_struct_debug+178> 0x08358457 <should_emit_struct_debug+172>: movb $0x1,-0x31(%ebp) 0x0835845b <should_emit_struct_debug+176>: jmp 0x8358461 <should_emit_struct_debug+182> 0x0835845d <should_emit_struct_debug+178>: movb $0x0,-0x31(%ebp) 0x08358461 <should_emit_struct_debug+182>: movzbl -0x31(%ebp),%eax 0x08358465 <should_emit_struct_debug+186>: leave 0x08358466 <should_emit_struct_debug+187>: ret and registers: (gdb) info registers eax 0x0 0 [...] C source matching is left to the reader :) In case that help, this compiler was build with the latest GMP/MPC/MPFR. Compilers from the same code tree, but built for PowerPC or Sparc target, run fine. -- Summary: ICE with `-g -femit-struct-debug-baseonly' Product: gcc Version: 4.5.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: preprocessor AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: lacombar at gmail dot com GCC build triplet: i686-pc GCC host triplet: i686-pc GCC target triplet: arm-none-linux-eabi http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45447
