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-rw-r--r--clang/lib/Driver/Driver.cpp5
-rw-r--r--clang/test/Driver/unknown-arg.c11
2 files changed, 11 insertions, 5 deletions
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index a2cf06a20cd..1cbb623824a 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -144,6 +144,11 @@ InputArgList *Driver::ParseArgStrings(ArrayRef<const char *> ArgList) {
}
}
+ for (arg_iterator it = Args->filtered_begin(options::OPT_UNKNOWN),
+ ie = Args->filtered_end(); it != ie; ++it) {
+ Diags.Report(diag::err_drv_unknown_argument) << (*it) ->getAsString(*Args);
+ }
+
return Args;
}
diff --git a/clang/test/Driver/unknown-arg.c b/clang/test/Driver/unknown-arg.c
index b254968c9b7..f1cbbdbe8b0 100644
--- a/clang/test/Driver/unknown-arg.c
+++ b/clang/test/Driver/unknown-arg.c
@@ -1,9 +1,10 @@
-// RUN: not %clang_cc1 %s -cake-is-lie -%0 -%d 2> %t.log
-// RUN: FileCheck %s -input-file=%t.log
+// RUN: not %clang_cc1 %s -cake-is-lie -%0 -%d -HHHH 2>&1 | \
+// RUN: FileCheck %s
-// CHECK: unknown argument
-// CHECK: unknown argument
-// CHECK: unknown argument
+// CHECK: unknown argument: '-cake-is-lie'
+// CHECK: unknown argument: '-%0'
+// CHECK: unknown argument: '-%d'
+// CHECK: unknown argument: '-HHHH'
// RUN: %clang -S %s -o %t.s -funknown-to-clang-option -Wunknown-to-clang-option -munknown-to-clang-option 2>&1 | FileCheck --check-prefix=IGNORED %s
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