[Bug sanitizer/95033] New: [11 Regression] ICE in set_parm_rtl, at cfgexpand.c:1310 since r11-165-geb72dc663e9070b2

[Bug sanitizer/95033] New: [11 Regression] ICE in set_parm_rtl, at cfgexpand.c:1310 since r11-165-geb72dc663e9070b2

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95033

            Bug ID: 95033
           Summary: [11 Regression] ICE in set_parm_rtl, at
                    cfgexpand.c:1310 since r11-165-geb72dc663e9070b2
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org,
                    marxin at gcc dot gnu.org, rguenth at gcc dot gnu.org
  Target Milestone: ---

I see the following ICE:

$ ./xgcc -B. /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr41123.c
-fsanitize=kernel-address -O2 --param=asan-stack=1 -c
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr41123.c: In function ‘f1’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr41123.c:9:1: internal
compiler error: in set_parm_rtl, at cfgexpand.c:1310
    9 | f1 (float _Complex x)
      | ^~
0x62cffa set_parm_rtl(tree_node*, rtx_def*)
        ../../gcc/cfgexpand.c:1310
0xb1081f assign_parm_setup_reg
        ../../gcc/function.c:3377
0xb12742 assign_parms
        ../../gcc/function.c:3683
0xb14ca2 expand_function_start(tree_node*)
        ../../gcc/function.c:5126
0x99f739 execute
        ../../gcc/cfgexpand.c:6459

[Bug sanitizer/95033] [11 Regression] ICE in set_parm_rtl, at cfgexpand.c:1310 since r11-165-geb72dc663e9070b2

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95033

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |marxin at gcc dot gnu.org
   Last reconfirmed|                            |2020-05-10
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
I can fix it, it comes from ASAN code which rewrites a param with a local
variable.

[Bug sanitizer/95033] [11 Regression] ICE in set_parm_rtl, at cfgexpand.c:1310 since r11-165-geb72dc663e9070b2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95033

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |11.0

[Bug sanitizer/95033] [11 Regression] ICE in set_parm_rtl, at cfgexpand.c:1310 since r11-165-geb72dc663e9070b2

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95033

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Liska <marxin@gcc.gnu.org>:

https://gcc.gnu.org/g:6b41920bd5c68998a53de749b4fe5c0b8875db6c

commit r11-315-g6b41920bd5c68998a53de749b4fe5c0b8875db6c
Author: Martin Liska <mliska@suse.cz>
Date:   Tue May 12 10:23:09 2020 +0200

    ASAN: clear DECL_NOT_GIMPLE_REG_P.

            PR sanitizer/95033
            PR sanitizer/95051
            * sanopt.c (sanitize_rewrite_addressable_params):
            Clear DECL_NOT_GIMPLE_REG_P for argument.
            PR sanitizer/95033
            PR sanitizer/95051
            * g++.dg/asan/function-argument-4.C: New test.
            * gcc.dg/asan/pr95033.c: New test.
            * gcc.dg/asan/pr95051.c: New test.

[Bug sanitizer/95033] [11 Regression] ICE in set_parm_rtl, at cfgexpand.c:1310 since r11-165-geb72dc663e9070b2

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95033

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed now.