https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77959
Bug ID: 77959
Summary: ICE in ix86_decompose_address, at i386/i386.c:14954
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gerhard.steinmetz.fort...@t-online.de
Target Milestone: ---
Invalid code with ICE down to at least 4.8, at -Os, -O1 or higher.
No ICE with version 5.4.1.
$ cat z1.f90
program p
interface
subroutine s(x)
real :: x
end
end interface
call s(1.0)
end
subroutine s(x)
complex :: x
x = x + 1
end
$ gfortran-7-20161009 -O2 z1.f90
z1.f90:3:18:
subroutine s(x)
1
Warning: Interface mismatch in global procedure 's' at (1): Type mismatch in
argument 'x' (REAL(4)/COMPLEX(4))
z1.f90:11:0:
x = x + 1
internal compiler error: Segmentation fault
0xc2a7cf crash_signal
../../gcc/toplev.c:337
0xf69ea4 ix86_decompose_address(rtx_def*, ix86_address*)
../../gcc/config/i386/i386.c:14954
0xf6bd9b ix86_legitimate_address_p
../../gcc/config/i386/i386.c:15668
0xb8b07e memory_address_addr_space_p(machine_mode, rtx_def*, unsigned char)
../../gcc/recog.c:1336
0x8df897 adjust_address_1(rtx_def*, machine_mode, long, int, int, int, long)
../../gcc/emit-rtl.c:2221
0x91e9b1 store_field
../../gcc/expr.c:6938
0x91a7b7 expand_assignment(tree_node*, tree_node*, bool)
../../gcc/expr.c:5167
0x8083e6 expand_gimple_stmt_1
../../gcc/cfgexpand.c:3649
0x8083e6 expand_gimple_stmt
../../gcc/cfgexpand.c:3745
0x80a80e expand_gimple_basic_block
../../gcc/cfgexpand.c:5752
0x810996 execute
../../gcc/cfgexpand.c:6363
