[clang] [ObjC]: Make type encoding safe in symbol names (PR #77797)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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``````````bash
git-clang-format --diff 6a075a9d5dda8f6ce37b176c6d4a7f87a770ec31 5511454cae83ed61062c49a19c56edaf6b9ee1dd -- clang/lib/CodeGen/CGObjCGNU.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CodeGen/CGObjCGNU.cpp b/clang/lib/CodeGen/CGObjCGNU.cpp
index 6e76765cea..9cc7f32815 100644
--- a/clang/lib/CodeGen/CGObjCGNU.cpp
+++ b/clang/lib/CodeGen/CGObjCGNU.cpp
@@ -1438,18 +1438,17 @@ class CGObjCGNUstep2 : public CGObjCGNUstep {
     // character that is not a valid type encoding character (and, being
     // non-printable, never will be!)
     if (CGM.getTriple().isOSBinFormatELF())
-      std::replace(MangledTypes.begin(), MangledTypes.end(),
-        '@', '\1');
+      std::replace(MangledTypes.begin(), MangledTypes.end(), '@', '\1');
     // = in dll exported names causes lld to fail when linking on Windows.
     if (CGM.getTriple().isOSWindows())
-      std::replace(MangledTypes.begin(), MangledTypes.end(),
-        '=', '\2');
+      std::replace(MangledTypes.begin(), MangledTypes.end(), '=', '\2');
     return MangledTypes;
   }
   llvm::Constant  *GetTypeString(llvm::StringRef TypeEncoding) {
     if (TypeEncoding.empty())
       return NULLPtr;
-    std::string MangledTypes = GetSymbolNameForTypeEncoding(std::string(TypeEncoding));
+    std::string MangledTypes =
+        GetSymbolNameForTypeEncoding(std::string(TypeEncoding));
     std::string TypesVarName = ".objc_sel_types_" + MangledTypes;
     auto *TypesGlobal = TheModule.getGlobalVariable(TypesVarName);
     if (!TypesGlobal) {

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https://github.com/llvm/llvm-project/pull/77797