[llvm] [AsmParser] Fix crash when hex literal exceeds 16-bit float range (PR #172669)

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,19 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
+; RUN: not opt -S -disable-output < %s --check-prefix=HALF 2>&1
+; RUN: not opt -S -disable-output < %s --check-prefix=BFLOAT 2>&1
----------------
nikic wrote:

```suggestion
; RUN: not opt -S -disable-output < %s 2>&1 | FileCheck --check-prefix=HALF
; RUN: not opt -S -disable-output < %s 2>&1 | FileCheck --check-prefix=BFLOAT
```
Or something like that.

https://github.com/llvm/llvm-project/pull/172669