Add -o /dev/null to some tests which don't care about their output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102722 91177308-0d34-0410-b5e6-96231b3b80d8

test/FrontendC++/2009-07-16-Using.cpp

@@ -1,4 +1,4 @@
-// RUN: %llvmgxx %s -S
+// RUN: %llvmgxx %s -S -o /dev/null
 
 namespace A {
   typedef int B;

test/FrontendC++/2009-10-27-crash.cpp

@@ -1,4 +1,4 @@
-// RUN: %llvmgxx -emit-llvm -S %s
+// RUN: %llvmgxx -emit-llvm -S %s -o /dev/null
 // Radar 7328944
 
 typedef struct

test/FrontendC/2009-01-20-k8.c

@@ -1,4 +1,4 @@
-// RUN: %llvmgcc %s -S -march=k8
+// RUN: %llvmgcc %s -S -march=k8 -o /dev/null
 // XFAIL: *
 // XTARGET: x86,i386,i686
 long double x;

test/FrontendC/2009-01-21-InvalidIterator.c

@@ -1,4 +1,4 @@
-// RUN: %llvmgcc %s -S -g
+// RUN: %llvmgcc %s -S -g -o /dev/null
 
 typedef long unsigned int size_t;
 typedef unsigned short int uint16_t;

test/FrontendC/2009-04-22-UnknownSize.c

@@ -1,4 +1,4 @@
-// RUN: not %llvmgcc -O1 %s -S |& grep {error: storage size}
+// RUN: not %llvmgcc -O1 %s -S -o /dev/null |& grep {error: storage size}
 // PR2958
 static struct foo s;
 struct foo *p = &s;

test/FrontendC/2009-06-14-HighlyAligned.c

@@ -1,4 +1,4 @@
-// RUN: %llvmgcc %s -S
+// RUN: %llvmgcc %s -S -o /dev/null
 // PR4332
 
 static int highly_aligned __attribute__((aligned(4096)));