Make the Nullable<T>.Value exception message actionable

src/coreclr/nativeaot/System.Private.Reflection.Execution/src/Resources/Strings.resx

@@ -120,27 +120,9 @@
   <data name="Reflection_InsufficientMetadata_EdbNeeded" xml:space="preserve">
     <value>'{0}' is missing native code or metadata. This can happen for code that is not compatible with trimming or AOT. Inspect and fix trimming and AOT related warnings that were generated when the app was published. For more information see https://aka.ms/nativeaot-compatibility</value>
   </data>
-  <data name="Arg_DlgtTargMeth" xml:space="preserve">
-    <value>Cannot bind to the target method because its signature is not compatible with that of the delegate type.</value>
-  </data>
-  <data name="Arg_EmptyArray" xml:space="preserve">
-    <value>Array may not be empty.</value>
-  </data>
-  <data name="MissingMember" xml:space="preserve">
-    <value>Member not found.</value>
-  </data>
-  <data name="Arg_HTCapacityOverflow" xml:space="preserve">
-    <value>Hashtable's capacity overflowed and went negative. Check load factor, capacity and the current size of the table.</value>
-  </data>
-  <data name="InvalidOperation_NoValue" xml:space="preserve">
-    <value>Nullable object must have a value.</value>
-  </data>
   <data name="RFLCT_Targ_StatFldReqTarg" xml:space="preserve">
     <value>Non-static field requires a target.</value>
   </data>
-  <data name="MissingConstructor_Name" xml:space="preserve">
-    <value>Constructor on type '{0}' not found.</value>
-  </data>
   <data name="MultiDim_Of_This_Rank_Not_Supported" xml:space="preserve">
     <value>Multidimensional arrays of rank {0} are not supported.</value>
   </data>
@@ -153,9 +135,6 @@
   <data name="PlatformNotSupported_CannotInvokeDelegateCtor" xml:space="preserve">
     <value>Dynamic invocation of delegate constructors is not supported on this runtime.</value>
   </data>
-  <data name="Argument_AddingDuplicate" xml:space="preserve">
-    <value>An item with the same key has already been added.</value>
-  </data>
   <data name="Argument_AddingDuplicateWithKey" xml:space="preserve">
     <value>An item with the same key has already been added. Key: {0}</value>
   </data>
@@ -168,30 +147,6 @@
   <data name="Argument_ConstraintFailed" xml:space="preserve">
     <value>'{0}', on '{1}' violates the constraint of type '{2}'.</value>
   </data>
-  <data name="Argument_ImplementIComparable" xml:space="preserve">
-    <value>At least one object must implement IComparable.</value>
-  </data>
-  <data name="InvalidOperation_AsyncIOInProgress" xml:space="preserve">
-    <value>The stream is currently in use by a previous operation on the stream.</value>
-  </data>
-  <data name="Argument_StreamNotReadable" xml:space="preserve">
-    <value>Stream was not readable.</value>
-  </data>
-  <data name="ObjectDisposed_ReaderClosed" xml:space="preserve">
-    <value>Cannot read from a closed TextReader.</value>
-  </data>
-  <data name="ArgumentOutOfRange_NeedPosNum" xml:space="preserve">
-    <value>Positive number required.</value>
-  </data>
-  <data name="ArgumentNull_Buffer" xml:space="preserve">
-    <value>Buffer cannot be null.</value>
-  </data>
-  <data name="ArgumentOutOfRange_NeedNonNegNum" xml:space="preserve">
-    <value>Non-negative number required.</value>
-  </data>
-  <data name="Argument_InvalidOffLen" xml:space="preserve">
-    <value>Offset and length were out of bounds for the array or count is greater than the number of elements from index to the end of the source collection.</value>
-  </data>
   <data name="Acc_ReadOnly" xml:space="preserve">
     <value>Cannot set a constant field.</value>
   </data>

src/coreclr/nativeaot/System.Private.Reflection.Execution/src/System.Private.Reflection.Execution.csproj

@@ -67,8 +67,5 @@
     <Compile Include="$(CompilerCommonPath)\Internal\LowLevelLinq\LowLevelEnumerable.ToArray.cs">
       <Link>Internal\LowLevelLinq\LowLevelEnumerable.ToArray.cs</Link>
     </Compile>
-    <Compile Include="$(LibrariesProjectRoot)\System.Private.CoreLib\src\System\Collections\HashHelpers.cs">
-      <Link>System\Collections\HashHelpers.cs</Link>
-    </Compile>
   </ItemGroup>
 </Project>

src/libraries/System.Private.CoreLib/src/Resources/Strings.resx

@@ -2739,7 +2739,7 @@
     <value>Underlying type information on enumeration is not specified.</value>
   </data>
   <data name="InvalidOperation_NoValue" xml:space="preserve">
-    <value>Nullable object must have a value.</value>
+    <value>Cannot read the Value property of a Nullable object that has no value. Check HasValue before reading Value.</value>
   </data>
   <data name="InvalidOperation_NullArray" xml:space="preserve">
     <value>The underlying array is null.</value>