[ProfCheck] Add ExpandIRInsts test to xfail list

We have not finished fixing all the ExpandIRInsts tests for the
profcheck configuration (PRs are in flight), so disable for now until
those land so it is easier to catch more regressions.
diff --git a/llvm/utils/profcheck-xfail.txt b/llvm/utils/profcheck-xfail.txt
index 414b47d..6cd61c0 100644
--- a/llvm/utils/profcheck-xfail.txt
+++ b/llvm/utils/profcheck-xfail.txt
@@ -130,6 +130,7 @@
 Transforms/ExpandIRInsts/X86/urem129.ll
 Transforms/ExpandIRInsts/X86/vector.ll
 Transforms/ExpandIRInsts/X86/expand-fp-convert-small.ll
+Transforms/ExpandIRInsts/X86/expand-int-convert-small.ll
 Transforms/ExpandIRInsts/X86/expand-large-fp-convert-fptosi129.ll
 Transforms/ExpandIRInsts/X86/expand-large-fp-convert-fptoui129.ll
 Transforms/ExpandIRInsts/X86/expand-large-fp-convert-si129tofp.ll