[Bug target/83514] ABRT in arm_declare_function_name passing a null pointer to std::string

[prathamesh3492 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83514

--- Comment #6 from prathamesh3492 at gcc dot gnu.org ---
Committed patch to conditionally set arch_to_print after Kyrill's approval.

Thanks,
Prathamesh

[Bug target/83514] ABRT in arm_declare_function_name passing a null pointer to std::string

[prathamesh3492 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83514

--- Comment #5 from prathamesh3492 at gcc dot gnu.org ---
Author: prathamesh3492
Date: Thu Jan 11 12:13:42 2018
New Revision: 256529

URL: https://gcc.gnu.org/viewcvs?rev=256529=gcc=rev
Log:
2018-01-11  Prathamesh Kulkarni  

PR target/83514
* config/arm/arm.c (arm_declare_function_name): Set arch_to_print if
targ_options->x_arm_arch_string is non NULL.

Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/arm/arm.c

[Bug target/83514] ABRT in arm_declare_function_name passing a null pointer to std::string

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83514

Richard Biener  changed:

   What|Removed |Added

 CC||prathamesh3492 at gcc dot 
gnu.org

--- Comment #4 from Richard Biener  ---
*** Bug 83775 has been marked as a duplicate of this bug. ***

[Bug target/83514] ABRT in arm_declare_function_name passing a null pointer to std::string

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83514

Jakub Jelinek  changed:

   What|Removed |Added

 CC||jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek  ---
That is a very bad decision, even the cc1/cc1plus processes shouldn't ICE on
bad inputs.  It doesn't really matter what exact arch string it defaults on, it
may be something chosen during configure or just hardcoded default, but just
segfaulting is a really bad idea.

[Bug target/83514] ABRT in arm_declare_function_name passing a null pointer to std::string

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83514

--- Comment #2 from Richard Earnshaw  ---
> will *always* construct a -march string for the driver
  ^^
for the compiler proper

[Bug target/83514] ABRT in arm_declare_function_name passing a null pointer to std::string

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83514

Richard Earnshaw  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |WONTFIX

--- Comment #1 from Richard Earnshaw  ---
Following the option processing rework the driver (gcc) on ARM will *always*
construct a -march string for the driver, either from the options passed by the
user or from the compiler's built-in defaults.  If you run the debugger
directly on cc1 you either need to fabricate a suitable -march string directly,
or paste one that the driver would have inserted for you.