Keep ranges_ptr variable for debug, not just the data it points to.

base/metrics/histogram_snapshot_manager.cc

Index: base/metrics/histogram_snapshot_manager.cc
diff --git a/base/metrics/histogram_snapshot_manager.cc b/base/metrics/histogram_snapshot_manager.cc
index f28009c436f78d35f76caffd1da4615eb5fdc968..a774ea6177c7da8ad8c95c9faded69c185502424 100644
--- a/base/metrics/histogram_snapshot_manager.cc
+++ b/base/metrics/histogram_snapshot_manager.cc
@@ -62,7 +62,7 @@ void HistogramSnapshotManager::PrepareSamples(
     CHECK(false);  // Crash for the bucket order corruption.
     // Ensure that compiler keeps around pointers to |histogram| and its
     // internal |bucket_ranges_| for any minidumps.
-    base::debug::Alias(ranges_ptr);
+    base::debug::Alias(&ranges_ptr);
     base::debug::Alias(&ranges_checksum);
     base::debug::Alias(&ranges_calc_checksum);
     base::debug::Alias(&histogram_name);