[llvm] [AArch64] Fix a corner case with large stack allocation (PR #122038)

[David Green via llvm-commits]

================
@@ -0,0 +1,55 @@
+# RUN: llc -mtriple=aarch64 -run-pass=prologepilog %s -o - | FileCheck %s
+--- |
+  ; ModuleID = 'bug.c'
+  source_filename = "bug.c"
----------------
davemgreen wrote:

You might be able to remove these bits to clean up the test a little:
 - ; ModuleID = ...
 -  source_filename = ...
 - ; Function Attrs ..
 - dso_local
 - attributes #0 = ...

https://github.com/llvm/llvm-project/pull/122038