https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63289
Bug ID: 63289 Summary: ICE from --param max-vartrack-expr-depth Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: b3timmons at speedymail dot org Host: x86_64 Target: x86_64 Build: x86_64 Created attachment 33509 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33509&action=edit preprocessed c source reduced by c-reduce and touched up by hand gcc -v -B. -r -nostdlib -Wall -Wextra -g -O --param max-vartrack-expr-depth=54 testcase.i gives Using built-in specs. COLLECT_GCC=/tmp/local2/bin/gcc COLLECT_LTO_WRAPPER=/tmp/local2/libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc/configure --prefix=/tmp/local2 --with-mpfr=/tmp/local2 --with-gmp=/tmp/local2 --with-cloog=/tmp/local2 --with-mpc=/tmp/local2 --with-isl=/tmp/local2 --enable-languages=c,c++ --enable-__cxa_atexit Thread model: posix gcc version 5.0.0 20140830 (experimental) (GCC) COLLECT_GCC_OPTIONS='-v' '-B' '.' '-r' '-nostdlib' '-Wall' '-Wextra' '-g' '-O' '--param' 'max-vartrack-expr-depth=54' '-mtune=generic' '-march=x86-64' /tmp/local2/libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/cc1 -fpreprocessed testcase.i -quiet -dumpbase testcase.i -mtune=generic -march=x86-64 -auxbase testcase -g -O -Wall -Wextra -version --param max-vartrack-expr-depth=54 -o /tmp/ccLuuxHP.s GNU C (GCC) version 5.0.0 20140830 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 5.0.0 20140830 (experimental), GMP version 6.0.0, MPFR version 3.1.2, MPC version 1.0.2 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU C (GCC) version 5.0.0 20140830 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 5.0.0 20140830 (experimental), GMP version 6.0.0, MPFR version 3.1.2, MPC version 1.0.2 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: bdbca1d9afdd549def5a1fba0cffe738 gcc: internal compiler error: Segmentation fault (program cc1) 0x40d24c execute ../../gcc/gcc/gcc.c:2900 0x40d479 do_spec_1 ../../gcc/gcc/gcc.c:4704 0x40fe79 process_brace_body ../../gcc/gcc/gcc.c:5987 0x40fe79 handle_braces ../../gcc/gcc/gcc.c:5901 0x40dfd7 do_spec_1 ../../gcc/gcc/gcc.c:5358 0x40fe79 process_brace_body ../../gcc/gcc/gcc.c:5987 0x40fe79 handle_braces ../../gcc/gcc/gcc.c:5901 0x40dfd7 do_spec_1 ../../gcc/gcc/gcc.c:5358 0x40d903 do_spec_1 ../../gcc/gcc/gcc.c:5473 0x40fe79 process_brace_body ../../gcc/gcc/gcc.c:5987 0x40fe79 handle_braces ../../gcc/gcc/gcc.c:5901 0x40dfd7 do_spec_1 ../../gcc/gcc/gcc.c:5358 0x40fe79 process_brace_body ../../gcc/gcc/gcc.c:5987 0x40fe79 handle_braces ../../gcc/gcc/gcc.c:5901 0x40dfd7 do_spec_1 ../../gcc/gcc/gcc.c:5358 0x40fe79 process_brace_body ../../gcc/gcc/gcc.c:5987 0x40fe79 handle_braces ../../gcc/gcc/gcc.c:5901 0x40dfd7 do_spec_1 ../../gcc/gcc/gcc.c:5358 0x40fe79 process_brace_body ../../gcc/gcc/gcc.c:5987 0x40fe79 handle_braces ../../gcc/gcc/gcc.c:5901 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. Also fails with gcc (Debian 4.7.2-5) 4.7.2 .