Fixed the broken test case.

Author: stefanp-synopsys

clang/test/CodeGen/PowerPC/ppc-full-reg-names.c

@@ -1,20 +1,18 @@
 // REQUIRES: powerpc-registered-target
 // RUN: %clang -### -target powerpc-ibm-aix-xcoff -mcpu=pwr8 -O3 -mregnames \
-// RUN:   -maltivec %s -o - | FileCheck %s --check-prefix=FULLNAMES
+// RUN:   %s 2>&1 >/dev/null | FileCheck %s --check-prefix=FULLNAMES
 // RUN: %clang -### -target powerpc64-ibm-aix-xcoff -mcpu=pwr8 -O3 -mregnames \
-// RUN:   -maltivec %s -o - | FileCheck %s --check-prefix=FULLNAMES
+// RUN:   %s 2>&1 >/dev/null | FileCheck %s --check-prefix=FULLNAMES
 // RUN: %clang -### -target powerpc64le-unknown-linux-gnu -mcpu=pwr8 -O3 -mregnames \
-// RUN:   -maltivec %s -o - | FileCheck %s --check-prefix=FULLNAMES
+// RUN:   %s 2>&1 >/dev/null | FileCheck %s --check-prefix=FULLNAMES
 // RUN: %clang -### -target powerpc-ibm-aix-xcoff -mcpu=pwr8 -O3 -mno-regnames \
-// RUN:   -maltivec %s -o - | FileCheck %s --check-prefix=NOFULLNAMES
+// RUN:   %s 2>&1 >/dev/null | FileCheck %s --check-prefix=NOFULLNAMES
 // RUN: %clang -### -target powerpc64-ibm-aix-xcoff -mcpu=pwr8 -O3 -mno-regnames \
-// RUN:   -maltivec %s -o - | FileCheck %s --check-prefix=NOFULLNAMES
+// RUN:   %s 2>&1 >/dev/null | FileCheck %s --check-prefix=NOFULLNAMES
 // RUN: %clang -### -target powerpc64le-unknown-linux-gnu -mcpu=pwr8 -O3 -mno-regnames \
-// RUN:   -maltivec %s -o - | FileCheck %s --check-prefix=NOFULLNAMES
+// RUN:   %s 2>&1 >/dev/null | FileCheck %s --check-prefix=NOFULLNAMES
 
-// FULLNAMES: clang
-// FULLNAMES-SAME: -mregnames
-// NOFULLNAMES: clang
-// NOFULLNAMES-SAME-NOT: -mregnames
+// FULLNAMES: -mregnames
+// NOFULLNAMES-NOT: -mregnames