Vendor import of clang trunk r304149:vendor/clang/clang-trunk-r304149

https://llvm.org/svn/llvm-project/cfe/trunk@304149

17 files changed, 99 insertions, 39 deletions

diff --git a/test/Driver/Inputs/baremetal_arm/include/c++/5.0.0/.keep b/test/Driver/Inputs/baremetal_arm/include/c++/5.0.0/.keep
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/test/Driver/Inputs/baremetal_arm/include/c++/5.0.0/.keep
diff --git a/test/Driver/Inputs/baremetal_arm/include/c++/6.0.0/.keep b/test/Driver/Inputs/baremetal_arm/include/c++/6.0.0/.keep
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/test/Driver/Inputs/baremetal_arm/include/c++/6.0.0/.keep
diff --git a/test/Driver/Inputs/baremetal_arm/include/c++/v1/.keep b/test/Driver/Inputs/baremetal_arm/include/c++/v1/.keep
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/test/Driver/Inputs/baremetal_arm/include/c++/v1/.keep
diff --git a/test/Driver/aarch64-cpus.c b/test/Driver/aarch64-cpus.c
index 554c59d6bcdb..4c42e50e42da 100644
--- a/test/Driver/aarch64-cpus.c
+++ b/test/Driver/aarch64-cpus.c
@@ -11,7 +11,7 @@
 // RUN: %clang -target arm64 -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
 // RUN: %clang -target arm64 -mcpu=generic -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
 // RUN: %clang -target arm64 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
-// RUN: %clang -target arm64 -mlittle-endian -mcpu-generic -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
+// RUN: %clang -target arm64 -mlittle-endian -mcpu=generic -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-GENERIC %s
 
 // ARM64-GENERIC: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "generic"
 
diff --git a/test/Driver/amdgpu-features.c b/test/Driver/amdgpu-features.c
index 235b88f13bec..495cadb11952 100644
--- a/test/Driver/amdgpu-features.c
+++ b/test/Driver/amdgpu-features.c
@@ -1,7 +1,7 @@
-// RUN: %clang -### -target amdgcn -x cl -S -emit-llvm -mcpu=kaveri -mamdgpu-debugger-abi=0.0 %s -o 2>&1 \
+// RUN: %clang -### -target amdgcn -x cl -S -emit-llvm -mcpu=kaveri -mamdgpu-debugger-abi=0.0 %s -o - 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-MAMDGPU-DEBUGGER-ABI-0-0 %s
 // CHECK-MAMDGPU-DEBUGGER-ABI-0-0: the clang compiler does not support '-mamdgpu-debugger-abi=0.0'
 
-// RUN: %clang -### -target amdgcn -x cl -S -emit-llvm -mcpu=kaveri -mamdgpu-debugger-abi=1.0 %s -o 2>&1 \
+// RUN: %clang -### -target amdgcn -x cl -S -emit-llvm -mcpu=kaveri -mamdgpu-debugger-abi=1.0 %s -o - 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-MAMDGPU-DEBUGGER-ABI-1-0 %s
 // CHECK-MAMDGPU-DEBUGGER-ABI-1-0: "-target-feature" "+amdgpu-debugger-insert-nops" "-target-feature" "+amdgpu-debugger-reserve-regs" "-target-feature" "+amdgpu-debugger-emit-prologue"
diff --git a/test/Driver/arm-darwin-builtin.c b/test/Driver/arm-darwin-builtin.c
deleted file mode 100644
index be50b6898729..000000000000
--- a/test/Driver/arm-darwin-builtin.c
+++ /dev/null
@@ -1,14 +0,0 @@
-// FIXME: Disable pending PR4941.
-// RUX: clang -target x86_64-apple-darwin9 -arch arm -### -fsyntax-only %s 2> %t &&
-// RUX: grep -- "-fno-builtin-strcat" %t &&
-// RUX: grep -- "-fno-builtin-strcpy" %t &&
-
-// FIXME: Disable pending PR4941.
-// RUX: clang -target x86_64-apple-darwin9 -arch arm -### -fsyntax-only %s -fbuiltin-strcat -fbuiltin-strcpy 2> %t &&
-// RUX: not grep -- "-fno-builtin-strcat" %t &&
-// RUX: not grep -- "-fno-builtin-strcpy" %t &&
-
-// RUN: %clang -target x86_64-apple-darwin9 -arch arm -### -fsyntax-only %s -fbuiltin-strcat -fbuiltin-strcpy 2> %t
-// RUN: not grep -- "-fno-builtin-strcat" %t
-// RUN: not grep -- "-fno-builtin-strcpy" %t
-
diff --git a/test/Driver/arm-default-build-attributes.s b/test/Driver/arm-default-build-attributes.s
index b651fbb6c9f8..be2bf3c77b01 100644
--- a/test/Driver/arm-default-build-attributes.s
+++ b/test/Driver/arm-default-build-attributes.s
@@ -10,9 +10,9 @@
 
 // Option ignored C/C++ (since we always emit hardware and ABI build attributes
 // during codegen).
-// RUN: %clang -target armv7--none-eabi -### -x c %s -mdefault-build-attributes -verify 2>&1 \
+// RUN: %clang -target armv7--none-eabi -### -x c %s -mdefault-build-attributes 2>&1 \
 // RUN:    | FileCheck %s -check-prefix CHECK-DISABLED
-// RUN: %clang -target armv7--none-eabi -### -x c++ %s -mdefault-build-attributes -verify 2>&1 \
+// RUN: %clang -target armv7--none-eabi -### -x c++ %s -mdefault-build-attributes 2>&1 \
 // RUN:    | FileCheck %s -check-prefix CHECK-DISABLED
 
 // CHECK-DISABLED-NOT: "-arm-add-build-attributes"
diff --git a/test/Driver/autocomplete.c b/test/Driver/autocomplete.c
new file mode 100644
index 000000000000..94649f243738
--- /dev/null
+++ b/test/Driver/autocomplete.c
@@ -0,0 +1,6 @@
+// RUN: %clang --autocomplete=-fsyn | FileCheck %s -check-prefix=FSYN
+// FSYN: -fsyntax-only
+// RUN: %clang --autocomplete=-s | FileCheck %s -check-prefix=STD
+// STD: -std={{.*}}-stdlib=
+// RUN: %clang --autocomplete=foo | not FileCheck %s -check-prefix=NONE
+// NONE: foo
diff --git a/test/Driver/baremetal.cpp b/test/Driver/baremetal.cpp
new file mode 100644
index 000000000000..aed90ac12c1e
--- /dev/null
+++ b/test/Driver/baremetal.cpp
@@ -0,0 +1,77 @@
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target armv6m-none-eabi \
+// RUN:     -T semihosted.lds \
+// RUN:     -L some/directory/user/asked/for \
+// RUN:     --sysroot=%S/Inputs/baremetal_arm \
+// RUN:   | FileCheck --check-prefix=CHECK-V6M-C %s
+// CHECK-V6M-C: "[[PREFIX_DIR:.*]]{{[/\\]+}}{{[^/^\\]+}}{{[/\\]+}}clang{{.*}}" "-cc1" "-triple" "thumbv6m-none--eabi"
+// CHECK-V6M-C-SAME: "-resource-dir" "[[PREFIX_DIR]]{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}[[VERSION:[^"]*]]"
+// CHECK-V6M-C-SAME: "-isysroot" "[[SYSROOT:[^"]*]]"
+// CHECK-V6M-C-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
+// CHECk-V6M-C-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}include"
+// CHECK-V6M-C-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
+// CHECK-V6M-C-NEXT: "{{[^"]*}}ld.lld" "{{.*}}.o" "-Bstatic"
+// CHECK-V6M-C-SAME: "-L[[PREFIX_DIR]]{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}[[VERSION]]{{[/\\]+}}lib{{[/\\]+}}baremetal"
+// CHECK-V6M-C-SAME: "-T" "semihosted.lds" "-Lsome{{[/\\]+}}directory{{[/\\]+}}user{{[/\\]+}}asked{{[/\\]+}}for"
+// CHECK-V6M-C-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m.a"
+// CHECK-V6M-C-SAME: "-o" "{{.*}}.o"
+
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target armv6m-none-eabi \
+// RUN:     -nostdlibinc -nobuiltininc \
+// RUN:     --sysroot=%S/Inputs/baremetal_arm \
+// RUN:   | FileCheck --check-prefix=CHECK-V6M-LIBINC %s
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target armv6m-none-eabi \
+// RUN:     -nostdinc \
+// RUN:     --sysroot=%S/Inputs/baremetal_arm \
+// RUN:   | FileCheck --check-prefix=CHECK-V6M-LIBINC %s
+// CHECK-V6M-LIBINC-NOT: "-internal-isystem"
+
+// RUN: %clangxx -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target armv6m-none-eabi \
+// RUN:     --sysroot=%S/Inputs/baremetal_arm \
+// RUN:   | FileCheck --check-prefix=CHECK-V6M-DEFAULTCXX %s
+// CHECK-V6M-DEFAULTCXX: "{{[^"]*}}ld.lld" "{{.*}}.o" "-Bstatic"
+// CHECK-V6M-DEFAULTCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}{{.*}}{{[/\\]+}}lib{{[/\\]+}}baremetal"
+// CHECK-V6M-DEFAULTCXX-SAME: "-lc++" "-lc++abi" "-lunwind"
+// CHECK-V6M-DEFAULTCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m.a"
+// CHECK-V6M-DEFAULTCXX-SAME: "-o" "{{.*}}.o"
+
+// RUN: %clangxx -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target armv6m-none-eabi \
+// RUN:     --sysroot=%S/Inputs/baremetal_arm \
+// RUN:     -stdlib=libc++ \
+// RUN:   | FileCheck --check-prefix=CHECK-V6M-LIBCXX %s
+// CHECK-V6M-LIBCXX-NOT: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}{{[^v].*}}"
+// CHECK-V6M-LIBCXX: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
+// CHECK-V6M-LIBCXX: "{{[^"]*}}ld.lld" "{{.*}}.o" "-Bstatic"
+// CHECK-V6M-LIBCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}{{.*}}{{[/\\]+}}lib{{[/\\]+}}baremetal"
+// CHECK-V6M-LIBCXX-SAME: "-lc++" "-lc++abi" "-lunwind"
+// CHECK-V6M-LIBCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m.a"
+// CHECK-V6M-LIBCXX-SAME: "-o" "{{.*}}.o"
+
+// RUN: %clangxx -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target armv6m-none-eabi \
+// RUN:     --sysroot=%S/Inputs/baremetal_arm \
+// RUN:     -stdlib=libstdc++ \
+// RUN:   | FileCheck --check-prefix=CHECK-V6M-LIBSTDCXX %s
+// CHECK-V6M-LIBSTDCXX-NOT: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
+// CHECK-V6M-LIBSTDCXX: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}6.0.0"
+// CHECK-V6M-LIBSTDCXX: "{{[^"]*}}ld.lld" "{{.*}}.o" "-Bstatic"
+// CHECK-V6M-LIBSTDCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}{{.*}}{{[/\\]+}}lib{{[/\\]+}}baremetal"
+// CHECK-V6M-LIBSTDCXX-SAME: "-lstdc++" "-lsupc++" "-lunwind"
+// CHECK-V6M-LIBSTDCXX-SAME: "-lc" "-lm" "-lclang_rt.builtins-armv6m.a"
+// CHECK-V6M-LIBSTDCXX-SAME: "-o" "{{.*}}.o"
+
+// RUN: %clangxx -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target armv6m-none-eabi \
+// RUN:     --sysroot=%S/Inputs/baremetal_arm \
+// RUN:     -nodefaultlibs \
+// RUN:   | FileCheck --check-prefix=CHECK-V6M-NDL %s
+// CHECK-V6M-NDL: "{{[^"]*}}ld.lld" "{{.*}}.o" "-Bstatic"
+// CHECK-V6M-NDL-SAME: "-L{{[^"]*}}{{[/\\]+}}lib{{(64)?}}{{[/\\]+}}clang{{[/\\]+}}{{.*}}{{[/\\]+}}lib{{[/\\]+}}baremetal" "-o" "{{.*}}.o"
+
+// RUN: %clangxx -target arm-none-eabi -v 2>&1 \
+// RUN:   | FileCheck %s --check-prefix=CHECK-THREAD-MODEL
+// CHECK-THREAD-MODEL: Thread model: single
diff --git a/test/Driver/cl-outputs.c b/test/Driver/cl-outputs.c
index d79a577788b9..6e105e46850d 100644
--- a/test/Driver/cl-outputs.c
+++ b/test/Driver/cl-outputs.c
@@ -73,7 +73,7 @@
 // RUN: %clang_cl /c /o .. -### -- %s 2>&1 | FileCheck -check-prefix=oCRAZY2 %s
 // oCRAZY2:  "-o" "..obj"
 
-// RUN: %clang_cl /c %s -### /o 2>&1 | FileCheck -check-prefix=oMISSINGARG %s
+// RUN: not %clang_cl /c %s -### /o 2>&1 | FileCheck -check-prefix=oMISSINGARG %s
 // oMISSINGARG: error: argument to '/o' is missing (expected 1 value)
 
 // RUN: %clang_cl /c /omydir/ -### -- %s %s 2>&1 | FileCheck -check-prefix=CHECK-oMULTIPLESOURCEOK1 %s
@@ -208,7 +208,7 @@
 // FeoDIRNAMEEXTDLL: "-out:foo.dir{{[/\\]+}}a.ext"
 // FeoDIRNAMEEXTDLL: "-implib:foo.dir{{[/\\]+}}a.lib"
 
-// RUN: %clang_cl -### /o 2>&1 | FileCheck -check-prefix=FeoMISSINGARG %s
+// RUN: not %clang_cl -### /o 2>&1 | FileCheck -check-prefix=FeoMISSINGARG %s
 // FeoMISSINGARG: error: argument to '/o' is missing (expected 1 value)
 
 // RUN: %clang_cl /ofoo /o bar -### -- %s 2>&1 | FileCheck -check-prefix=FeoOVERRIDE %s
diff --git a/test/Driver/clang_f_opts.c b/test/Driver/clang_f_opts.c
index c54c618df112..bad49942a4c4 100644
--- a/test/Driver/clang_f_opts.c
+++ b/test/Driver/clang_f_opts.c
@@ -186,7 +186,7 @@
 // CHECK-NO-SLP-VECTORIZE-AGG-NOT: "-vectorize-slp-aggressive"
 
 // RUN: %clang -### -S -fextended-identifiers %s 2>&1 | FileCheck -check-prefix=CHECK-EXTENDED-IDENTIFIERS %s
-// RUN: %clang -### -S -fno-extended-identifiers %s 2>&1 | FileCheck -check-prefix=CHECK-NO-EXTENDED-IDENTIFIERS %s
+// RUN: not %clang -### -S -fno-extended-identifiers %s 2>&1 | FileCheck -check-prefix=CHECK-NO-EXTENDED-IDENTIFIERS %s
 // CHECK-EXTENDED-IDENTIFIERS: "-cc1"
 // CHECK-EXTENDED-IDENTIFIERS-NOT: "-fextended-identifiers"
 // CHECK-NO-EXTENDED-IDENTIFIERS: error: unsupported option '-fno-extended-identifiers'
diff --git a/test/Driver/cuda-external-tools.cu b/test/Driver/cuda-external-tools.cu
index f0f5c154c977..809b8507683b 100644
--- a/test/Driver/cuda-external-tools.cu
+++ b/test/Driver/cuda-external-tools.cu
@@ -24,8 +24,8 @@
 // RUN: | FileCheck -check-prefix ARCH64 -check-prefix SM20 -check-prefix DBG %s
 
 // --no-cuda-noopt-device-debug overrides --cuda-noopt-device-debug.
-// RUN: %clang -### -target x86_64-linux-gnu --cuda-noopt-debug \
-// RUN:   --no-cuda-noopt-debug -O2 -c %s 2>&1 \
+// RUN: %clang -### -target x86_64-linux-gnu --cuda-noopt-device-debug \
+// RUN:   --no-cuda-noopt-device-debug -O2 -c %s 2>&1 \
 // RUN: | FileCheck -check-prefix ARCH64 -check-prefix SM20 -check-prefix OPT2 %s
 
 // Regular compile without -O.  This should result in us passing -O0 to ptxas.
diff --git a/test/Driver/darwin-iphone-defaults.m b/test/Driver/darwin-iphone-defaults.m
index d98416d57142..fe50bbda5a50 100644
--- a/test/Driver/darwin-iphone-defaults.m
+++ b/test/Driver/darwin-iphone-defaults.m
@@ -26,4 +26,4 @@ void f1() {
   [I1 alloc];
 }
 
-// CHECK: attributes [[F0]] = { noinline ssp{{.*}} }
+// CHECK: attributes [[F0]] = { noinline  optnone ssp{{.*}} }
diff --git a/test/Driver/debug-options.c b/test/Driver/debug-options.c
index 74deb414fc56..b4a2e909b3a3 100644
--- a/test/Driver/debug-options.c
+++ b/test/Driver/debug-options.c
@@ -80,7 +80,7 @@
 // RUN: %clang -### -c -gdwarf-2 %s 2>&1 \
 // RUN:             | FileCheck -check-prefix=G_ONLY_DWARF2 %s
 //
-// RUN: %clang -### -c -gfoo %s 2>&1 | FileCheck -check-prefix=G_NO %s
+// RUN: not %clang -### -c -gfoo %s 2>&1 | FileCheck -check-prefix=G_ERR %s
 // RUN: %clang -### -c -g -g0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
 // RUN: %clang -### -c -ggdb0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
 // RUN: %clang -### -c -glldb -g0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
@@ -171,6 +171,8 @@
 // G_PS4: "-dwarf-version=
 // G_PS4: "-generate-arange-section"
 //
+// G_ERR: error: unknown argument:
+//
 // G_NO: "-cc1"
 // G_NO-NOT: -debug-info-kind=
 //
diff --git a/test/Driver/gfortran.f90 b/test/Driver/gfortran.f90
index e687e51b4df3..d2f90b47a390 100644
--- a/test/Driver/gfortran.f90
+++ b/test/Driver/gfortran.f90
@@ -106,7 +106,6 @@
 ! RUN:     -fsyntax-only \
 ! RUN:     -funderscoring \
 ! RUN:     -fwhole-file \
-! RUN:     -fworking-directory \
 ! RUN:     -imultilib \
 ! RUN:     -iprefix \
 ! RUN:     -iquote \
@@ -226,7 +225,6 @@
 ! CHECK: "-fstack-arrays"
 ! CHECK: "-funderscoring"
 ! CHECK: "-fwhole-file"
-! CHECK: "-fworking-directory"
 ! CHECK: "-imultilib"
 ! CHECK: "-iprefix"
 ! CHECK: "-iquote"
diff --git a/test/Driver/split-debug.h b/test/Driver/split-debug.h
index bb05f30b6754..a27ebb2e6f18 100644
--- a/test/Driver/split-debug.h
+++ b/test/Driver/split-debug.h
@@ -3,13 +3,4 @@
 // RUN: %clang -target x86_64-unknown-linux-gnu -gsplit-dwarf -c -fmodules -### %s 2> %t
 // RUN: FileCheck -check-prefix=CHECK-NO-ACTIONS < %t %s
 //
-// RUN: %clang -target x86_64-unknown-linux-gnu -gsplit-dwarf -c -fmodules -emit-module -fmodules-embed-all-files -fno-implicit-modules -fno-implicit-module-maps -### %s 2> %t
-// RUN: FileCheck -check-prefix=CHECK-NO-ACTIONS < %t %s
-//
-// FIXME: This should fail using clang, except that the type of the output for
-// an object output with modules is given as clang::driver::types::TY_PCH
-// rather than TY_Object.
-// RUN: %clang -target x86_64-unknown-linux-gnu -gsplit-dwarf -c -fmodules -fmodule-format=obj -### %s 2> %t
-// RUN: FileCheck -check-prefix=CHECK-NO-ACTIONS < %t %s
-//
 // CHECK-NO-ACTIONS-NOT: objcopy
diff --git a/test/Driver/unknown-arg.c b/test/Driver/unknown-arg.c
index 755d29f1089d..9bba74a942eb 100644
--- a/test/Driver/unknown-arg.c
+++ b/test/Driver/unknown-arg.c
@@ -1,8 +1,8 @@
-// RUN: %clang %s -cake-is-lie -%0 -%d -HHHH -munknown-to-clang-option -print-stats -funknown-to-clang-option -### 2>&1 | \
+// RUN: not %clang %s -cake-is-lie -%0 -%d -HHHH -munknown-to-clang-option -print-stats -funknown-to-clang-option -### 2>&1 | \
 // RUN: FileCheck %s
 // RUN: %clang_cl -cake-is-lie -%0 -%d -HHHH -munknown-to-clang-option -print-stats -funknown-to-clang-option -### -c -- %s 2>&1 | \
 // RUN: FileCheck %s --check-prefix=CL
-// RUN: %clang_cl -cake-is-lie -%0 -%d -HHHH -munknown-to-clang-option -print-stats -funknown-to-clang-option -c -Werror=unknown-argument -### -- %s 2>&1 | \
+// RUN: not %clang_cl -cake-is-lie -%0 -%d -HHHH -munknown-to-clang-option -print-stats -funknown-to-clang-option -c -Werror=unknown-argument -### -- %s 2>&1 | \
 // RUN: FileCheck %s --check-prefix=CL-ERROR
 // RUN: %clang_cl -cake-is-lie -%0 -%d -HHHH -munknown-to-clang-option -print-stats -funknown-to-clang-option -c -Wno-unknown-argument -### -- %s 2>&1 | \
 // RUN: FileCheck %s --check-prefix=SILENT