Spelling fixes (#38673)

Spelling fixes

src/Compilers/Core/MSBuildTask/ManagedCompiler.cs

@@ -428,7 +428,7 @@ public string LangVersion
 
         // ToolExe delegates back to ToolName if the override is not
         // set.  So, if ToolExe == ToolName, we know ToolExe is not
-        // explicitly overriden.  So, if both ToolPath is unset and
+        // explicitly overridden.  So, if both ToolPath is unset and
         // ToolExe == ToolName, we know nothing is overridden, and
         // we can use our own csc.
         private bool HasToolBeenOverridden => !(string.IsNullOrEmpty(ToolPath) && ToolExe == ToolName);

src/Compilers/Core/Portable/CommandLine/AnalyzerConfig.SectionNameMatching.cs

@@ -200,7 +200,7 @@ public bool IsMatch(string s)
 
         /// <summary>
         /// Compile a globbing character class of the form [...]. Returns true if
-        /// the character class was succesfully compiled. False if there was a syntax
+        /// the character class was successfully compiled. False if there was a syntax
         /// error. The starting character is expected to be directly after the '['.
         /// </summary>
         private static bool TryCompileCharacterClass(ref SectionNameLexer lexer, StringBuilder sb)

src/Compilers/Core/Portable/DiaSymReader/Writer/SymUnmanagedWriterImpl.cs

@@ -42,7 +42,7 @@ private Exception PdbWritingException(Exception inner)
             => new SymUnmanagedWriterException(inner, _symWriterModuleName);
 
         /// <summary>
-        /// Writes teh content to the given stream. The writer is disposed and can't be used for further writing.
+        /// Writes the content to the given stream. The writer is disposed and can't be used for further writing.
         /// </summary>
         public override void WriteTo(Stream stream)
         {

src/Compilers/Core/Portable/NativePdbWriter/PdbWriter.cs

@@ -68,7 +68,7 @@ public void SerializeDebugInfo(IMethodBody methodBody, StandaloneSignatureHandle
             // but there is no real need for such optimization.
             // 
             // Special case a hidden entry point (#line hidden applied) that would otherwise have no debug info.
-            // This is to accomodate for a requirement of Windows PDB writer that the entry point method must have some debug information.
+            // This is to accommodate for a requirement of Windows PDB writer that the entry point method must have some debug information.
             bool isKickoffMethod = methodBody.StateMachineTypeName != null;
             bool emitDebugInfo = isKickoffMethod || !methodBody.SequencePoints.IsEmpty ||
                 methodBody.MethodDefinition == (Context.Module.DebugEntryPoint ?? Context.Module.PEEntryPoint);

src/Compilers/Core/Portable/Operations/ControlFlowGraphBuilder.cs

@@ -646,7 +646,7 @@ private static bool PackBlocks(ArrayBuilder<BasicBlockBuilder> blocks, PooledDic
             {
                 // We set this local to true during the loop below when we make some changes that might enable
                 // transformations for basic blocks that were already looked at. We simply keep repeating the
-                // pass untill no such changes are made.
+                // pass until no such changes are made.
                 retry = false;
 
                 int count = blocks.Count - 1;

src/Compilers/Core/Portable/Syntax/SyntaxTree.cs

@@ -360,7 +360,7 @@ internal Cci.DebugSourceInfo GetDebugSourceInfo()
         public abstract SyntaxTree WithFilePath(string path);
 
         /// <summary>
-        /// Returns a new tree whose <see cref="DiagnosticOptions" /> are the specifed value and other properties are copied
+        /// Returns a new tree whose <see cref="DiagnosticOptions" /> are the specified value and other properties are copied
         /// from the current tree.
         /// </summary>
         /// <param name="options">