Use C++style comments for header guards

Author: Meinersbur

flang/include/flang/Runtime/random.h

@@ -39,4 +39,4 @@ void RTNAME(RandomSeed)(const Descriptor *size, const Descriptor *put,
 } // extern "C"
 } // namespace Fortran::runtime
 
-#endif /* FORTRAN_RUNTIME_RANDOM_H_ */
+#endif // FORTRAN_RUNTIME_RANDOM_H_

flang/include/flang/Support/Fortran-features.h

@@ -125,4 +125,4 @@ class LanguageFeatureControl {
   bool warnAllUsage_{false};
 };
 } // namespace Fortran::common
-#endif /* FORTRAN_SUPPORT_FORTRAN_FEATURES_H_ */
+#endif // FORTRAN_SUPPORT_FORTRAN_FEATURES_H_

flang/include/flang/Support/Fortran.h

@@ -109,4 +109,4 @@ inline std::string GetExternalAssemblyName(
 }
 
 } // namespace Fortran::common
-#endif /* FORTRAN_SUPPORT_FORTRAN_H_ */
+#endif // FORTRAN_SUPPORT_FORTRAN_H_

flang/include/flang/Support/LangOptions.h

@@ -77,4 +77,4 @@ class LangOptions : public LangOptionsBase {
 
 } // end namespace Fortran::common
 
-#endif /* FORTRAN_SUPPORT_LANGOPTIONS_H_ */
+#endif // FORTRAN_SUPPORT_LANGOPTIONS_H_

flang/include/flang/Support/MathOptionsBase.h

@@ -41,4 +41,4 @@ class MathOptionsBase {
 
 } // namespace Fortran::common
 
-#endif /* FORTRAN_SUPPORT_MATHOPTIONSBASE_H_ */
+#endif // FORTRAN_SUPPORT_MATHOPTIONSBASE_H_

flang/include/flang/Support/OpenMP-utils.h

@@ -73,4 +73,4 @@ mlir::Block *genEntryBlock(
     mlir::OpBuilder &builder, const EntryBlockArgs &args, mlir::Region &region);
 } // namespace Fortran::common::openmp
 
-#endif /* FORTRAN_SUPPORT_OPENMP_UTILS_H_ */
+#endif // FORTRAN_SUPPORT_OPENMP_UTILS_H_

flang/include/flang/Support/Timing.h

@@ -1,4 +1,4 @@
-//===-- include/flang/Support/Timing.h --------------------------*- C++ -*-===//
+//===- Timing.h - Execution time measurement facilities ---------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -10,8 +10,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef FORTRAN_SUPPORT_TIMING_H_
-#define FORTRAN_SUPPORT_TIMING_H_
+#ifndef FORTRAN_SUPPORT_TIMING_H
+#define FORTRAN_SUPPORT_TIMING_H
 
 #include "mlir/Support/Timing.h"
 
@@ -24,4 +24,4 @@ std::unique_ptr<mlir::OutputStrategy> createTimingFormatterText(
 
 } // namespace Fortran::support
 
-#endif /* FORTRAN_SUPPORT_TIMING_H_ */
+#endif // FORTRAN_SUPPORT_TIMING_H

flang/include/flang/Support/Version.h

@@ -53,4 +53,4 @@ std::string getFlangFullVersion();
 std::string getFlangToolFullVersion(llvm::StringRef ToolName);
 } // namespace Fortran::common
 
-#endif /* FORTRAN_SUPPORT_VERSION_H_ */
+#endif // FORTRAN_SUPPORT_VERSION_H_

flang/include/flang/Support/default-kinds.h

@@ -58,4 +58,4 @@ class IntrinsicTypeDefaultKinds {
   int defaultLogicalKind_{defaultIntegerKind_};
 };
 } // namespace Fortran::common
-#endif /* FORTRAN_SUPPORT_DEFAULT_KINDS_H_ */
+#endif // FORTRAN_SUPPORT_DEFAULT_KINDS_H_

flang/lib/Support/Timing.cpp

@@ -1,4 +1,4 @@
-//===-- lib/Support/Timing.cpp ----------------------------------*- C++ -*-===//
+//===- Timing.cpp - Execution time measurement facilities -----------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.