[clang] [flang] [clang-tools-extra] [llvm] [flang] GETLOG runtime and extension implementation: get login username (PR #74628)

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``````````bash
git-clang-format --diff a604c4b562e99470e397f050f1e8707f923ebed7 acaca0e51b3c9dd243d122368383244b7acd9ea4 -- flang/include/flang/Evaluate/tools.h flang/include/flang/Runtime/extensions.h flang/runtime/character.cpp flang/runtime/extensions.cpp flang/runtime/tools.h flang/unittests/Runtime/CommandTest.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/flang/include/flang/Evaluate/tools.h b/flang/include/flang/Evaluate/tools.h
index ccb12de022..38e6467f54 100644
--- a/flang/include/flang/Evaluate/tools.h
+++ b/flang/include/flang/Evaluate/tools.h
@@ -1042,7 +1042,7 @@ parser::Message *AttachDeclaration(parser::Message &, const Symbol &);
 parser::Message *AttachDeclaration(parser::Message *, const Symbol &);
 template <typename MESSAGES, typename... A>
 parser::Message *SayWithDeclaration(
-    MESSAGES &messages, const Symbol &symbol, A &&... x) {
+    MESSAGES &messages, const Symbol &symbol, A &&...x) {
   return AttachDeclaration(messages.Say(std::forward<A>(x)...), symbol);
 }
 

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https://github.com/llvm/llvm-project/pull/74628