[gcc r14-4718] nvptx: Use fatal_error when -march= is missing not an assert [PR111093]

[gcc r14-4718] nvptx: Use fatal_error when -march= is missing not an assert [PR111093]

[Tobias Burnus]

https://gcc.gnu.org/g:d3961765b506f75233e6ea144a80930629c3426b

commit r14-4718-gd3961765b506f75233e6ea144a80930629c3426b
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Wed Oct 18 12:23:38 2023 +0200

    nvptx: Use fatal_error when -march= is missing not an assert [PR111093]
    
    gcc/ChangeLog:
    
            PR target/111093
            * config/nvptx/nvptx.cc (nvptx_option_override): Issue fatal error
            instead of an assert ICE when no -march= has been specified.

Diff:
---
 gcc/config/nvptx/nvptx.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gcc/config/nvptx/nvptx.cc b/gcc/config/nvptx/nvptx.cc
index edef39fb5e1e..634c31673be9 100644
--- a/gcc/config/nvptx/nvptx.cc
+++ b/gcc/config/nvptx/nvptx.cc
@@ -335,8 +335,9 @@ nvptx_option_override (void)
   init_machine_status = nvptx_init_machine_status;
 
   /* Via nvptx 'OPTION_DEFAULT_SPECS', '-misa' always appears on the command
-     line.  */
-  gcc_checking_assert (OPTION_SET_P (ptx_isa_option));
+     line; but handle the case that the compiler is not run via the driver.  */
+  if (!OPTION_SET_P (ptx_isa_option))
+    fatal_error (UNKNOWN_LOCATION, "%<-march=%> must be specified");
 
   handle_ptx_version_option ();