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Commit migrated from https://github.com/dotnet/coreclr/commit/cef6c7bd334583066ed28e4bf813f75c40b66dce

diff --git a/src/coreclr/src/jit/valuenum.cpp b/src/coreclr/src/jit/valuenum.cpp
index 71a870f..58a2a70 100644 (file)
--- a/src/coreclr/src/jit/valuenum.cpp
+++ b/src/coreclr/src/jit/valuenum.cpp
@@ -1311,7 +1311,9 @@ bool ValueNumStore::VNExcIsSubset(ValueNum vnFullSet, ValueNum vnCandidateSet)
 //
 // Note: When 'vnWx' does not have an exception set, the orginal value is the
 //       normal value and is written to 'pvn' and VNForEmptyExcSet() is
-//       written to 'pvnx'
+//       written to 'pvnx'.
+//       When we have an exception set 'vnWx' will be a VN func with m_func
+//       equal to VNF_ValWithExc.
 //
 void ValueNumStore::VNUnpackExc(ValueNum vnWx, ValueNum* pvn, ValueNum* pvnx)
 {