With sufficiently high-levels of optimization, this function

and those that call it can be inlined sufficiently far
to mess up high-level skip-counts. But this function
assumes it is the bottommost frame, as in the comment below.

PiperOrigin-RevId: 570790048
Change-Id: I4d354f9e79e13aaa6a8a62a9e0870fbeac075de6

absl/debugging/internal/stacktrace_aarch64-inl.inc

@@ -158,6 +158,9 @@ static void **NextStackFrame(void **old_frame_pointer, const void *uc,
 }
 }
 
 
 template <bool IS_STACK_FRAMES, bool IS_WITH_CONTEXT>
 template <bool IS_STACK_FRAMES, bool IS_WITH_CONTEXT>
+// We count on the bottom frame being this one. See the comment
+// at prev_return_address
+ABSL_ATTRIBUTE_NOINLINE
 ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS  // May read random elements from stack.
 ABSL_ATTRIBUTE_NO_SANITIZE_ADDRESS  // May read random elements from stack.
 ABSL_ATTRIBUTE_NO_SANITIZE_MEMORY   // May read random elements from stack.
 ABSL_ATTRIBUTE_NO_SANITIZE_MEMORY   // May read random elements from stack.
 static int UnwindImpl(void** result, int* sizes, int max_depth, int skip_count,
 static int UnwindImpl(void** result, int* sizes, int max_depth, int skip_count,