[Bug inline-asm/92368] New: internal compiler error: Segmentation fault in gcc-7.4.1

[anbu1024.me at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92368

            Bug ID: 92368
           Summary: internal compiler error: Segmentation fault in
                    gcc-7.4.1
           Product: gcc
           Version: 7.4.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: inline-asm
          Assignee: unassigned at gcc dot gnu.org
          Reporter: anbu1024.me at gmail dot com
  Target Milestone: ---

$ cat test.c 
void foo ( ) 
{ 
    float x ; 
    asm ( "" : : "pir" ( x ) ) ; 
}


My gcc snapshot version


$ gcc-snapshot7 -v
Using built-in specs.
COLLECT_GCC=/home/tom/Documents/gcc/7-20191031/install/bin/gcc
COLLECT_LTO_WRAPPER=/home/tom/Documents/gcc/7-20191031/install/libexec/gcc/x86_64-pc-linux-gnu/7.4.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-7-20191031/configure
--prefix=/home/tom/Documents/gcc/7-20191031/install --enable-languages=c,c++
--disable-multilib
Thread model: posix
gcc version 7.4.1 20191031 (GCC) 


$ gcc-snapshot7 test.c 
test.c: In function ‘foo’:
test.c:5:1: internal compiler error: Segmentation fault
 }
 ^
0xa13c6f crash_signal
        ../../gcc-7-20191031/gcc/toplev.c:337
0x8da92b base_plus_disp_to_reg
        ../../gcc-7-20191031/gcc/lra-constraints.c:3057
0x8dec43 process_address_1
        ../../gcc-7-20191031/gcc/lra-constraints.c:3404
0x8df48c process_address
        ../../gcc-7-20191031/gcc/lra-constraints.c:3514
0x8df48c curr_insn_transform
        ../../gcc-7-20191031/gcc/lra-constraints.c:3830
0x8e488e lra_constraints(bool)
        ../../gcc-7-20191031/gcc/lra-constraints.c:4869
0x8d3ee4 lra(_IO_FILE*)
        ../../gcc-7-20191031/gcc/lra.c:2394
0x892521 do_reload
        ../../gcc-7-20191031/gcc/ira.c:5485
0x892521 execute
        ../../gcc-7-20191031/gcc/ira.c:5669
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.


gcc-7.4.0 is affected.


$ gcc-7.4.0 -v
Using built-in specs.
COLLECT_GCC=/home/tom/Documents/gcc/7.4.0/install/bin/gcc
COLLECT_LTO_WRAPPER=/home/tom/Documents/gcc/7.4.0/install/libexec/gcc/x86_64-pc-linux-gnu/7.4.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-7.4.0/configure
--prefix=/home/tom/Documents/gcc/7.4.0/install --enable-languages=c,c++
--disable-multilib
Thread model: posix
gcc version 7.4.0 (GCC) 


$ gcc-7.4.0 test.c 
test.c: In function ‘foo’:
test.c:5:1: internal compiler error: Segmentation fault
 }
 ^
0x9d957f crash_signal
        ../../gcc-7.4.0/gcc/toplev.c:337
0x8a037b base_plus_disp_to_reg
        ../../gcc-7.4.0/gcc/lra-constraints.c:3057
0x8a4653 process_address_1
        ../../gcc-7.4.0/gcc/lra-constraints.c:3404
0x8a4e9c process_address
        ../../gcc-7.4.0/gcc/lra-constraints.c:3514
0x8a4e9c curr_insn_transform
        ../../gcc-7.4.0/gcc/lra-constraints.c:3830
0x8aa26e lra_constraints(bool)
        ../../gcc-7.4.0/gcc/lra-constraints.c:4869
0x899934 lra(_IO_FILE*)
        ../../gcc-7.4.0/gcc/lra.c:2392
0x857fb1 do_reload
        ../../gcc-7.4.0/gcc/ira.c:5478
0x857fb1 execute
        ../../gcc-7.4.0/gcc/ira.c:5662
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.


gcc-8 gcc-9 are unaffected.