[libcxx-commits] [compiler-rt] [libcxxabi] [libunwind] [runtimes][PAC] Harden unwinding when possible (#138571) (PR #143230)

[Oliver Hunt via libcxx-commits]

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@@ -2140,6 +2241,13 @@ class _LIBUNWIND_HIDDEN Registers_arm {
   uint32_t  getIP() const         { return _registers.__pc; }
   void      setIP(uint32_t value) { _registers.__pc = value; }
 
+  typedef uint32_t reg_t;
+  typedef uint32_t link_reg_t;
+  void      loadAndAuthenticateLinkRegister(reg_t srcLinkRegister,
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ojhunt wrote:

sigh I thought I had removed all of these, I think that must have been a lost change.

https://github.com/llvm/llvm-project/pull/143230