diff --git a/gcc/testsuite/lib/prune.exp b/gcc/testsuite/lib/prune.exp
index 131424861d5e2d5e1809be6a6549a3d02d5a7c2b..533e31dfc7fe1255260796291b57a2153f8bffb7 100644
--- a/gcc/testsuite/lib/prune.exp
+++ b/gcc/testsuite/lib/prune.exp
@@ -96,6 +96,13 @@ proc prune_gcc_output { text } {
     # Ignore stabs obsoletion warnings
     regsub -all "(^|\n)\[^\n\]*\[Ww\]arning: STABS debugging information is obsolete and not supported anymore\[^\n\]*" $text "" text
 
+    # Ignore missing lto jobserver for tests that do more than 1 LTRANS unit
+    regsub -all "(^|\n)\[^\n\]*lto\[^\n\]*: warning: using serial compilation of \[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[^\n\]*lto\[^\n\]*: note: see the \[^\n\]*'-flto' option documentation\[^\n\]* for more information" $text "" text
+
+    # Many tests that use visibility will still pass on platforms that don't support it.
+    regsub -all "(^|\n)\[^\n\]*lto1: warning: visibility attribute not supported in this configuration; ignored\[^\n\]*" $text "" text
+
     # If dg-enable-nn-line-numbers was provided, then obscure source-margin
     # line numbers by converting them to "NN" form.
     set text [maybe-handle-nn-line-numbers $text]