Merge pull request #9788 from WilliamAntonRohm/issue-7727

visualstudio-docs/issues/7727 -- add missing enum

Author: PRMerger-2

docs/debugger/debug-interface-access/basictype.md

@@ -43,6 +43,7 @@ enum BasicType {
     btHresult  = 31,
     btChar16   = 32,  // char16_t
     btChar32   = 33,  // char32_t
+    btChar8    = 34   // char8_t
 };
 ```