[clang] [clang-tools-extra] [lldb] [llvm] [SystemZ][z/OS] Propagate IsText parameter to open text files as text (PR #107906)

[kadir çetinkaya via cfe-commits]

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@@ -323,10 +325,11 @@ ErrorOr<Status> RealFileSystem::status(const Twine &Path) {
 }
 
 ErrorOr<std::unique_ptr<File>>
-RealFileSystem::openFileForRead(const Twine &Name) {
+RealFileSystem::openFileForRead(const Twine &Name, bool IsText) {
   SmallString<256> RealName, Storage;
   Expected<file_t> FDOrErr = sys::fs::openNativeFileForRead(
-      adjustPath(Name, Storage), sys::fs::OF_None, &RealName);
+      adjustPath(Name, Storage), IsText ? sys::fs::OF_Text : sys::fs::OF_None,
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kadircet wrote:

this seems like the only place that uses `IsText`. is there any reason why you can't deduce that signal from `Name` here directly? rather than propagating it all the way from the caller?

https://github.com/llvm/llvm-project/pull/107906