[llvm] [ARM][ISel] Fix crash of ISD::FMINNUM/FMAXNUM (PR #65849)

[David Green via llvm-commits]

================
@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -mtriple=armv7 -mattr=+neon %s -o - | FileCheck %s --check-prefix=ARMV7
+; RUN: llc -mtriple=armv7 -mattr=+fp-armv8 %s -o - | FileCheck %s --check-prefix=ARMV7-FP
 ; RUN: llc -mtriple=armv8.2-a -mattr=+fp-armv8 %s -o - | FileCheck %s --check-prefix=ARMV8
----------------
davemgreen wrote:

This can be
```
; RUN: llc -mtriple=armv7 -mattr=+fp-armv8 %s -o - | FileCheck %s --check-prefix=ARMV8   
; RUN: llc -mtriple=armv8.2a -mattr=+fp-armv8 %s -o - | FileCheck %s --check-prefix=ARMV8
```
Then the two should get the same CHECK lines.

https://github.com/llvm/llvm-project/pull/65849