Workaround roslyn compiler issue caused by BuildTools update

The source file changes are to remove some non unicode characters in
files that were tripping Roslyn up.

src/System.Data.SqlClient/tests/ManualTests/SQL/SqlBulkCopyTest/CheckConstraints.cs

@@ -22,7 +22,7 @@ public static void Test(string constr, string srctable, string dstTable)
                     Helpers.Execute(dstCmd, "create table " + srctable + " (col1 int , col2 int, col3 text)");
                     Helpers.Execute(dstCmd, "insert into " + srctable + " values (33, 498, 'Michael')");
                     Helpers.Execute(dstCmd, "insert into " + srctable + " values (34, 499, 'Astrid')");
-                    Helpers.Execute(dstCmd, "insert into " + srctable + " values (65, 500, 'alles Käse')");
+                    Helpers.Execute(dstCmd, "insert into " + srctable + " values (65, 500, 'alles Käse')");
 
                     Helpers.Execute(dstCmd, "create table " + dstTable + " (col1 int primary key, col2 int CONSTRAINT CK_" + dstTable + " CHECK (col2 < 500), col3 text)");
 

src/System.Data.SqlClient/tests/ManualTests/SQL/SqlBulkCopyTest/CopyVariants.cs

@@ -29,7 +29,7 @@ public static void Test(string constr, string dstTable)
                 "insert into " + dstTable + "_src values (10, convert(uniqueidentifier, '00000000-0000-0000-0000-000000000009') )",
                 "insert into " + dstTable + "_src values (11, convert(varbinary(756), 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA0A) )",
                 "insert into " + dstTable + "_src values (12, convert(varchar(756), '111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111101') )",
-                "insert into " + dstTable + "_src values (13, convert(nvarchar(756), N'???a???????????????????????????????üböuaäZßABCÄboÜOUÖvrhÃã??z?????????????????z?????????A?????a???????????????????????????????üböuaäZßABCÄboÜOUÖvrhÃã??z?????????????????z?????????A?????a???????????????????????????????üböuaäZßABCÄboÜOUÖvrhÃã??z?????????????????z?????????A?????a???????????????????????????????üböuaäZßABCÄboÜOUÖvrhÃã??z?????????????????z?????????A?????a?????') )",
+                "insert into " + dstTable + "_src values (13, convert(nvarchar(756), N'???a???????????????????????????????üböuaäZßABCÄboÜOUÖvrhÃã??z?????????????????z?????????A?????a???????????????????????????????üböuaäZßABCÄboÜOUÖvrhÃã??z?????????????????z?????????A?????a???????????????????????????????üböuaäZßABCÄboÜOUÖvrhÃã??z?????????????????z?????????A?????a???????????????????????????????üböuaäZßABCÄboÜOUÖvrhÃã??z?????????????????z?????????A?????a?????') )",
                 "insert into " + dstTable + "_src values (14, convert(datetime, {ts '2003-01-11 12:54:01.133'}) )",
                 "insert into " + dstTable + "_src values (15, convert(bigint, 444444444444404) )",
                 "insert into " + dstTable + "_src values (16, convert(int, -555505) )",
@@ -76,4 +76,4 @@ public static void Test(string constr, string dstTable)
             }
         }
     }
-}
+}

src/System.Net.HttpListener/src/System/Net/HttpListenerRequestUriBuilder.cs

@@ -36,8 +36,8 @@ internal sealed class HttpListenerRequestUriBuilder
         //
         // When parsing ANSI (Latin 1) encoded path '/pa%C4th/', %C4 will be added to rawOctets and when
         // we reach 't', the content of rawOctets { 0xC4 } will be fed into the ANSI encoding. The resulting 
-        // string 'Ä' will be percent encoded into UTF-8 octets and appended to requestUriString. The final
-        // path will be '/pa%C3%84th/', where '%C3%84' is the UTF-8 percent encoded character 'Ä'.
+        // string 'Ä' will be percent encoded into UTF-8 octets and appended to requestUriString. The final
+        // path will be '/pa%C3%84th/', where '%C3%84' is the UTF-8 percent encoded character 'Ä'.
         private List<byte> _rawOctets;
         private string _rawPath;
 

src/System.Private.DataContractSerialization/src/System/Runtime/Serialization/Json/JsonWriterDelegator.cs

@@ -180,7 +180,7 @@ private void WriteDateTimeInDefaultFormat(DateTime value)
                 // Fetching the UtcOffset is expensive so we need to avoid it if possible. We can do a fast
                 // bounds check to decide if the more expensive bounds check is needed. The result from 
                 // TimeZoneInfo.Local.GetUtcOffset(value) is bounded to +/- 24 hours. If 
-                // (DateTime.MinValue + 24 hours) < value < (DateTime.MaxValue – 24 hours), then we don't need
+                // (DateTime.MinValue + 24 hours) < value < (DateTime.MaxValue - 24 hours), then we don't need
                 // to check using the real UtcOffset as it doesn't matter what the offset is, it can't cause
                 // an overflow/underflow condition.
 

src/System.Private.Xml/tests/Xslt/XsltCompiler/CommonScenarios/XsltcTestFile.cs

@@ -45,9 +45,9 @@ public XsltcTestFile(ITestOutputHelper output) : base(output)
         [InlineData("@infft14.txt", "fft14.dll", "no", "fft14", "fft14.pdb", "no", "fft14.txt")]
         //[Variation("15", Desc = "Test multiple config files with circular reference and case sensitive file names specified", Pri = 1, Params = new object[] { "@infft15.txt", "fft15.dll", "no", "fft15", "fft15.pdb", "no", "fft15.txt" })]
         //[InlineData("@infft15.txt", "fft15.dll", "no", "fft15", "fft15.pdb", "no", "fft15.txt")] //Skipping this, it tries to load System.dll
-        //[Variation("17", Desc = "Exercise comments(‘#’) within file", Pri = 1, Params = new object[] { "@infft17.txt", "fft17.dll", "yes", "fft17", "fft17.pdb", "no", "fft17.txt" })]
+        //[Variation("17", Desc = "Exercise comments(‘#’) within file", Pri = 1, Params = new object[] { "@infft17.txt", "fft17.dll", "yes", "fft17", "fft17.pdb", "no", "fft17.txt" })]
         //[InlineData("@infft17.txt", "fft17.dll", "yes", "fft17", "fft17.pdb", "no", "fft17.txt")] //Skipping this, it tries to load System.dll
-        //[Variation("18", Desc = "When loading from a file exercise commands and filenames with ‘#” in them", Pri = 1, Params = new object[] { "@infft18.txt", "fft18.dll", "yes", "AB#CD", "fft18.pdb", "no", "fft18.txt" })]
+        //[Variation("18", Desc = "When loading from a file exercise commands and filenames with ‘#” in them", Pri = 1, Params = new object[] { "@infft18.txt", "fft18.dll", "yes", "AB#CD", "fft18.pdb", "no", "fft18.txt" })]
         //[InlineData("@infft18.txt", "fft18.dll", "yes", "AB#CD", "fft18.pdb", "no", "fft18.txt")] //Skipping this, it tries to load System.dll
         //[Variation("19", Desc = "Exercise wildcards with @", Pri = 1, Params = new object[] { "@*.txt", "fft19.dll", "no", "fft19", "fft19.pdb", "no", "fft19.txt", "EnglishOnly" })]
         [InlineData("@*.txt", "fft19.dll", "no", "fft19", "fft19.pdb", "no", "fft19.txt"/*, "EnglishOnly"*/)]
@@ -73,4 +73,4 @@ public void Var1(object param0, object param1, object param2, object param3, obj
             VerifyTest(cmdLine, asmName, asmCreated, typeName, pdbName, pdbCreated, baselineFile, _createFromInputFile);
         }
     }
-}
+}

src/System.Reflection.Metadata/src/System/Reflection/Internal/Utilities/BlobUtilities.cs

@@ -339,7 +339,7 @@ internal static byte GetUserStringTrailingByte(string str)
             // ECMA-335 II.24.2.4:
             // This final byte holds the value 1 if and only if any UTF16 character within
             // the string has any bit set in its top byte, or its low byte is any of the following:
-            // 0x01–0x08, 0x0E–0x1F, 0x27, 0x2D, 0x7F.  Otherwise, it holds 0.
+            // 0x01-0x08, 0x0E-0x1F, 0x27, 0x2D, 0x7F.  Otherwise, it holds 0.
             // The 1 signifies Unicode characters that require handling beyond that normally provided for 8-bit encoding sets.
 
             foreach (char ch in str)

src/System.Security.Cryptography.Algorithms/src/Internal/Cryptography/RijndaelImplementation.cs

@@ -34,7 +34,7 @@ public override int BlockSize
                 if (value == 192 || value == 256)
                     throw new PlatformNotSupportedException(SR.Cryptography_Rijndael_BlockSize);
 
-                // Any other invalid block size will get the normal “invalid block size” exception.
+                // Any other invalid block size will get the normal "invalid block size" exception.
                 _impl.BlockSize = value;
             }
         }

src/System.Security.Cryptography.Algorithms/src/System/Security/Cryptography/RijndaelManaged.cs

@@ -28,7 +28,7 @@ public override int BlockSize
                 if (value == 192 || value == 256)
                     throw new PlatformNotSupportedException(SR.Cryptography_Rijndael_BlockSize);
 
-                // Any other invalid block size will get the normal “invalid block size” exception.
+                // Any other invalid block size will get the normal "invalid block size" exception.
                 _impl.BlockSize = value;
             }
         }

src/System.Security.Cryptography.X509Certificates/tests/CertificateCreation/EccTestData.cs

@@ -45,7 +45,7 @@ internal static IEnumerable<EccTestData> EnumerateApplicableTests()
             CurveOid = Secp256r1OidValue,
             CurveEncodedOidHex = Secp256r1OidHexValue,
 
-            // Suite B Implementer’s Guide to FIPS 186-3,
+            // Suite B Implementer’s Guide to FIPS 186-3,
             // D.1 Example ECDSA Signature for P-256
             KeyParameters = new ECParameters
             {
@@ -67,7 +67,7 @@ internal static IEnumerable<EccTestData> EnumerateApplicableTests()
             CurveOid = Secp384r1OidValue,
             CurveEncodedOidHex = Secp384r1OidHexValue,
 
-            // Suite B Implementer’s Guide to FIPS 186-3,
+            // Suite B Implementer’s Guide to FIPS 186-3,
             // D.2 Example ECDSA Signature for P-384
             KeyParameters = new ECParameters
             {