[Bug target/65034] New: [5 Regression] ICE (segfault) on arm-linux-gnueabihf

[Bug target/65034] New: [5 Regression] ICE (segfault) on arm-linux-gnueabihf

[doko at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65034

            Bug ID: 65034
           Summary: [5 Regression] ICE (segfault) on arm-linux-gnueabihf
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org

seen with 20150205 on arm-linux-gnueabihf, configured --with-arch=armv7-a
--with-fpu=vfpv3-d16 --with-float=hard --with-mode=thumb

$ g++ -c -g -O2 vga_tseng.ii
vga_tseng.ii:37:1: internal compiler error: Segmentation fault
 }
 ^
Please submit a full bug report,
with preprocessed source if appropriate.

$ cat vga_tseng.ii 
enum LOG_TYPES { LOG_VGAMISC };
enum LOG_SEVERITIES { LOG_NORMAL };
struct A {
  A(LOG_TYPES, LOG_SEVERITIES) {}
};
typedef struct {
  unsigned store_3c0_16;
  unsigned store_3c0_17;
  unsigned store_3c4_06;
  unsigned store_3c4_07;
} SVGA_ET3K_DATA;
SVGA_ET3K_DATA a;
void fn1(unsigned p1, unsigned p2, unsigned) {
  switch (p1) {
  case 6:
    a.store_3c4_06 = p2;
    break;
  case 7:
    a.store_3c4_07 = p2;
    break;
  default:
    A(LOG_VGAMISC, LOG_NORMAL);
  }
}

void fn2(unsigned p1, unsigned p2, unsigned) {
  switch (p1) {
  case 6:
    a.store_3c0_16 = p2;
    break;
  case 7:
    a.store_3c0_17 = p2;
    break;
  default:
    A(LOG_VGAMISC, LOG_NORMAL);
  }
}

[Bug ipa/65034] [5 Regression] ICE (segfault) on arm-linux-gnueabihf

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65034

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-02-12
                 CC|                            |jakub at gcc dot gnu.org
          Component|target                      |ipa
   Target Milestone|---                         |5.0
     Ever confirmed|0                           |1

[Bug ipa/65034] [5 Regression] ICE (segfault) on arm-linux-gnueabihf

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65034

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 34738
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34738&action=edit
gcc5-pr65034.patch

Untested fix.

[Bug ipa/65034] [5 Regression] ICE (segfault) on arm-linux-gnueabihf

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65034

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Feb 13 14:42:30 2015
New Revision: 220683

URL: https://gcc.gnu.org/viewcvs?rev=220683&root=gcc&view=rev
Log:
    PR ipa/65034
    * stmt.c (emit_case_nodes): Use void_type_node instead of
    NULL_TREE as LABEL_DECL type.

    * decl.c (start_preparsed_function): Use void_type_node instead
    of NULL_TREE as LABEL_DECL type.

    * g++.dg/ipa/pr65034.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ipa/pr65034.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/stmt.c
    trunk/gcc/testsuite/ChangeLog

[Bug ipa/65034] [5 Regression] ICE (segfault) on arm-linux-gnueabihf

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65034

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

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

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed.