[PATCH] Split -Winvalid-command-line-argument into -Wignored-optimization-argument

[Reid Kleckner]

Hi rsmith, nlewycky,

http://reviews.llvm.org/D4636

Files:
  include/clang/Basic/DiagnosticDriverKinds.td
  include/clang/Basic/DiagnosticGroups.td
  test/Driver/clang_f_opts.c

Index: include/clang/Basic/DiagnosticDriverKinds.td
===================================================================
--- include/clang/Basic/DiagnosticDriverKinds.td
+++ include/clang/Basic/DiagnosticDriverKinds.td
@@ -124,7 +124,7 @@
 def warn_drv_optimization_value : Warning<"optimization level '%0' is not supported; using '%1%2' instead">,
   InGroup<InvalidCommandLineArgument>;
 def warn_ignored_gcc_optimization : Warning<"optimization flag '%0' is not supported">,
-  InGroup<InvalidCommandLineArgument>;
+  InGroup<IgnoredOptimizationArgument>;
 def warn_c_kext : Warning<
   "ignoring -fapple-kext which is valid for C++ and Objective-C++ only">;
 def warn_drv_input_file_unused : Warning<
Index: include/clang/Basic/DiagnosticGroups.td
===================================================================
--- include/clang/Basic/DiagnosticGroups.td
+++ include/clang/Basic/DiagnosticGroups.td
@@ -383,7 +383,9 @@
 def UnsupportedFriend : DiagGroup<"unsupported-friend">;
 def UnusedArgument : DiagGroup<"unused-argument">;
 def UnusedCommandLineArgument : DiagGroup<"unused-command-line-argument">;
-def InvalidCommandLineArgument : DiagGroup<"invalid-command-line-argument">;
+def IgnoredOptimizationArgument : DiagGroup<"ignored-optimization-argument">;
+def InvalidCommandLineArgument : DiagGroup<"invalid-command-line-argument",
+                                           [IgnoredOptimizationArgument]>;
 def UnusedComparison : DiagGroup<"unused-comparison">;
 def UnusedExceptionParameter : DiagGroup<"unused-exception-parameter">;
 def UnneededInternalDecl : DiagGroup<"unneeded-internal-declaration">;
Index: test/Driver/clang_f_opts.c
===================================================================
--- test/Driver/clang_f_opts.c
+++ test/Driver/clang_f_opts.c
@@ -230,6 +230,9 @@
 // RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING1 %s
 // RUN: %clang -### -finline-limit -Wno-invalid-command-line-argument                   \
 // RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING2 %s
+// RUN: %clang -### -finline-limit \
+// RUN:     -Winvalid-command-line-argument -Wno-ignored-optimization-argument          \
+// RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING2 %s
 // CHECK-NO-WARNING1-NOT: optimization flag '-finline-limit=1000' is not supported
 // CHECK-NO-WARNING2-NOT: optimization flag '-finline-limit' is not supported
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