[libunwind] [clang] [llvm] [clang-tools-extra] [libunwind] Replace process_vm_readv with SYS_rt_sigprocmask (PR #74791)

[Jordan R AW via cfe-commits]

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@@ -26,7 +26,7 @@
 __attribute__((naked)) void bad_unwind_info() {
 #if defined(__aarch64__)
   __asm__("// not using 0 because unwinder was already resilient to that\n"
-          "mov     x8, #4\n"
+          "mov     x8, #12\n"
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ajordanr-google wrote:

Undid this with the removal of the alignment code.

https://github.com/llvm/llvm-project/pull/74791