https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69055
Bug ID: 69055
Summary: Internal compiler error -fsanitize=float-cast-overflow
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: physiker at toast2 dot net
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Build: gcc-Version 6.0.0 20151223
Created attachment 37134
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37134&action=edit
Source code
t.f90
SUBROUTINE TSTD
IMPLICIT NONE
INTEGER*4 N
COMMON /COMMI/DATEN(10)
type T_daten
sequence
real(8) daten
end type T_daten
type(T_daten) :: daten
integer(4) :: j=1
N=daten(j)%daten
END SUBROUTINE TSTD
peter@linux:~/devel/build-gcc> LANG=C gfortran-6 -v -save-temps -c t.f90
-fsanitize=float-cast-overflow
Using built-in specs.
COLLECT_GCC=gfortran-6
Target: x86_64-pc-linux-gnu
Configured with: ../gcc/configure --enable-__cxa_atexit --program-suffix=-6
--enable-languages=c,c++,fortran --with-system-zlib --disable-multilib
Thread model: posix
gcc version 6.0.0 20151223 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-c' '-fsanitize=float-cast-overflow'
'-mtune=generic' '-march=x86-64'
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.0.0/f951 t.f90 -quiet -dumpbase t.f90
-mtune=generic -march=x86-64 -auxbase t -version -fsanitize=float-cast-overflow
-fintrinsic-modules-path
/usr/local/lib64/gcc/x86_64-pc-linux-gnu/6.0.0/finclude -o t.s
GNU Fortran (GCC) version 6.0.0 20151223 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 6.0.0 20151223 (experimental), GMP version
5.1.3, MPFR version 3.1.2, MPC version 1.0.2, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU Fortran2008 (GCC) version 6.0.0 20151223 (experimental)
(x86_64-pc-linux-gnu)
compiled by GNU C version 6.0.0 20151223 (experimental), GMP version
5.1.3, MPFR version 3.1.2, MPC version 1.0.2, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
t.f90:18:0:
N=daten(j)%daten
internal compiler error: Segmentation fault
0xb7b24f crash_signal
../../gcc/gcc/toplev.c:334
0xe07e08 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
../../gcc/gcc/tree.h:3111
0xe07e08 build_call_expr_loc_array(unsigned int, tree_node*, int, tree_node**)
../../gcc/gcc/tree.c:11011
0xe07f7f build_call_expr_loc(unsigned int, tree_node*, int, ...)
../../gcc/gcc/tree.c:11044
0xb9f5f5 ubsan_instrument_float_cast(unsigned int, tree_node*, tree_node*,
tree_node*)
../../gcc/gcc/ubsan.c:1611
0x7d8479 convert_to_integer_1
../../gcc/gcc/convert.c:923
0x6a7a6a convert(tree_node*, tree_node*)
../../gcc/gcc/fortran/convert.c:101
0x7011af gfc_conv_intrinsic_conversion
../../gcc/gcc/fortran/trans-intrinsic.c:336
0x71620f gfc_conv_intrinsic_function(gfc_se*, gfc_expr*)
../../gcc/gcc/fortran/trans-intrinsic.c:7902
0x6f3912 gfc_conv_expr(gfc_se*, gfc_expr*)
../../gcc/gcc/fortran/trans-expr.c:7522
0x6fb83d gfc_trans_assignment_1
../../gcc/gcc/fortran/trans-expr.c:9249
0x6b5da1 trans_code
../../gcc/gcc/fortran/trans.c:1676
0x6e44a8 gfc_generate_function_code(gfc_namespace*)
../../gcc/gcc/fortran/trans-decl.c:6083
0x671310 translate_all_program_units
../../gcc/gcc/fortran/parse.c:5612
0x671310 gfc_parse_file()
../../gcc/gcc/fortran/parse.c:5818
0x6b2855 gfc_be_parse_file
../../gcc/gcc/fortran/f95-lang.c:201
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.
internal compiler error with gcc 5.2 on linux and with gcc 5.3 on os/x
mavericks.
