1 files changed, 36 insertions, 0 deletions
diff --git a/layout/reftests/bugs/355548-1.xml b/layout/reftests/bugs/355548-1.xml
new file mode 100644
index 000000000..95449c1a7
--- /dev/null
+++ b/layout/reftests/bugs/355548-1.xml
@@ -0,0 +1,36 @@
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:m="http://www.w3.org/1998/Math/MathML">
+<body>
+<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
+  <m:mi>Id</m:mi>
+  <m:mstyle scriptlevel="+1"><m:mi>Id</m:mi></m:mstyle>
+  <m:mstyle scriptlevel="+2"><m:mi>Id</m:mi></m:mstyle>
+  <m:mstyle scriptlevel="+3"><m:mi>Id</m:mi></m:mstyle>
+</m:mstyle></m:math></p>
+
+<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
+  <m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle>
+  <m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle>
+</m:mstyle></m:math></p>
+
+<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
+    <m:mstyle scriptlevel="+1"><m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+    <m:mstyle scriptlevel="+1"><m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+    <m:mstyle scriptlevel="+1"><m:mstyle scriptlevel="-3"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+</m:mstyle></m:math></p>
+<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
+    <m:mstyle scriptlevel="+2"><m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+    <m:mstyle scriptlevel="+2"><m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+    <m:mstyle scriptlevel="+2"><m:mstyle scriptlevel="-3"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+</m:mstyle></m:math></p>
+<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
+    <m:mstyle scriptlevel="+3"><m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+    <m:mstyle scriptlevel="+3"><m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+    <m:mstyle scriptlevel="+3"><m:mstyle scriptlevel="-3"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+</m:mstyle></m:math></p>
+<p><m:math><m:mstyle scriptlevel="0" scriptsizemultiplier="0.5" scriptminsize="18px" style="font-size:48px;">
+    <m:mstyle scriptlevel="+4"><m:mstyle scriptlevel="-1"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+    <m:mstyle scriptlevel="+4"><m:mstyle scriptlevel="-2"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+    <m:mstyle scriptlevel="+4"><m:mstyle scriptlevel="-3"><m:mi>Id</m:mi></m:mstyle></m:mstyle>
+</m:mstyle></m:math></p>
+</body>
+</html>