From: Joseph Myers <joseph@codesourcery.com>
Date: Thu, 7 Nov 2013 21:20:18 +0000 (+0000)
Subject: atomic-compare-exchange-1.c, [...]: Declare main as returning int.
X-Git-Tag: releases/gcc-4.9.0~2940
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=722516b81f88d9cb479eb0cf3699c946aa6d3dbe;p=thirdparty%2Fgcc.git

atomic-compare-exchange-1.c, [...]: Declare main as returning int.

	* gcc.dg/atomic-compare-exchange-1.c,
	gcc.dg/atomic-compare-exchange-2.c,
	gcc.dg/atomic-compare-exchange-3.c,
	gcc.dg/atomic-compare-exchange-4.c,
	gcc.dg/atomic-compare-exchange-5.c, gcc.dg/atomic-exchange-1.c,
	gcc.dg/atomic-exchange-2.c, gcc.dg/atomic-exchange-3.c,
	gcc.dg/atomic-exchange-4.c, gcc.dg/atomic-exchange-5.c,
	gcc.dg/atomic-fence.c, gcc.dg/atomic-flag.c,
	gcc.dg/atomic-generic.c, gcc.dg/atomic-invalid.c,
	gcc.dg/atomic-load-1.c, gcc.dg/atomic-load-2.c,
	gcc.dg/atomic-load-3.c, gcc.dg/atomic-load-4.c,
	gcc.dg/atomic-load-5.c, gcc.dg/atomic-lockfree.c,
	gcc.dg/atomic-noinline.c, gcc.dg/atomic-op-1.c,
	gcc.dg/atomic-op-2.c, gcc.dg/atomic-op-3.c, gcc.dg/atomic-op-4.c,
	gcc.dg/atomic-op-5.c, gcc.dg/atomic-param.c,
	gcc.dg/atomic-store-1.c, gcc.dg/atomic-store-2.c,
	gcc.dg/atomic-store-3.c, gcc.dg/atomic-store-4.c,
	gcc.dg/atomic-store-5.c: Declare main as returning int.
	* gcc.dg/atomic-exchange-1.c, gcc.dg/atomic-exchange-2.c,
	gcc.dg/atomic-exchange-3.c, gcc.dg/atomic-exchange-4.c,
	gcc.dg/atomic-exchange-5.c: Separate increments of count from
	expression using value of count.

From-SVN: r204545
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 099c392ad6c7..0e850816bfa4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,28 @@
+2013-11-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* gcc.dg/atomic-compare-exchange-1.c,
+	gcc.dg/atomic-compare-exchange-2.c,
+	gcc.dg/atomic-compare-exchange-3.c,
+	gcc.dg/atomic-compare-exchange-4.c,
+	gcc.dg/atomic-compare-exchange-5.c, gcc.dg/atomic-exchange-1.c,
+	gcc.dg/atomic-exchange-2.c, gcc.dg/atomic-exchange-3.c,
+	gcc.dg/atomic-exchange-4.c, gcc.dg/atomic-exchange-5.c,
+	gcc.dg/atomic-fence.c, gcc.dg/atomic-flag.c,
+	gcc.dg/atomic-generic.c, gcc.dg/atomic-invalid.c,
+	gcc.dg/atomic-load-1.c, gcc.dg/atomic-load-2.c,
+	gcc.dg/atomic-load-3.c, gcc.dg/atomic-load-4.c,
+	gcc.dg/atomic-load-5.c, gcc.dg/atomic-lockfree.c,
+	gcc.dg/atomic-noinline.c, gcc.dg/atomic-op-1.c,
+	gcc.dg/atomic-op-2.c, gcc.dg/atomic-op-3.c, gcc.dg/atomic-op-4.c,
+	gcc.dg/atomic-op-5.c, gcc.dg/atomic-param.c,
+	gcc.dg/atomic-store-1.c, gcc.dg/atomic-store-2.c,
+	gcc.dg/atomic-store-3.c, gcc.dg/atomic-store-4.c,
+	gcc.dg/atomic-store-5.c: Declare main as returning int.
+	* gcc.dg/atomic-exchange-1.c, gcc.dg/atomic-exchange-2.c,
+	gcc.dg/atomic-exchange-3.c, gcc.dg/atomic-exchange-4.c,
+	gcc.dg/atomic-exchange-5.c: Separate increments of count from
+	expression using value of count.
+
 2013-11-07  Joseph Myers  <joseph@codesourcery.com>
 
 	* lib/target-supports.exp
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-1.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-1.c
index 2ac54e80887f..4b999c682f2d 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-1.c
@@ -16,6 +16,7 @@ char zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-2.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-2.c
index 73b259777480..736e358a6dfc 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-2.c
@@ -16,6 +16,7 @@ short zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-3.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-3.c
index 26097288c9d3..91a67cd7423d 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-3.c
@@ -16,6 +16,7 @@ int zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-4.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-4.c
index b6c783ddaba8..ac9531b78234 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-4.c
@@ -18,6 +18,7 @@ long long zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-compare-exchange-5.c b/gcc/testsuite/gcc.dg/atomic-compare-exchange-5.c
index 4cc0209b33f9..f5d071affe8f 100644
--- a/gcc/testsuite/gcc.dg/atomic-compare-exchange-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-compare-exchange-5.c
@@ -17,6 +17,7 @@ __int128_t zero = 0;
 #define STRONG 0
 #define WEAK 1
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-1.c b/gcc/testsuite/gcc.dg/atomic-exchange-1.c
index fb78cdbca544..ec8a09c8cc3f 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-1.c
@@ -9,25 +9,31 @@ extern void abort(void);
 
 char v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-2.c b/gcc/testsuite/gcc.dg/atomic-exchange-2.c
index 153771a2cdc6..0de2e68208f6 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-2.c
@@ -9,25 +9,31 @@ extern void abort(void);
 
 short v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-3.c b/gcc/testsuite/gcc.dg/atomic-exchange-3.c
index fbf8f6b966c0..63a68cf473a1 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-3.c
@@ -9,25 +9,31 @@ extern void abort(void);
 
 int v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-4.c b/gcc/testsuite/gcc.dg/atomic-exchange-4.c
index 13022dd38d20..fc1e5081a077 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-4.c
@@ -11,25 +11,31 @@ extern void abort(void);
 
 long long v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-exchange-5.c b/gcc/testsuite/gcc.dg/atomic-exchange-5.c
index b0c84b17fd32..190377f0cd55 100644
--- a/gcc/testsuite/gcc.dg/atomic-exchange-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-exchange-5.c
@@ -10,25 +10,31 @@ extern void abort(void);
 
 __int128_t v, count, ret;
 
+int
 main ()
 {
   v = 0;
   count = 0;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
     abort ();
+  count++;
 
-  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) !=  count++) 
+  if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
     abort ();
+  count++;
 
   /* Now test the generic version.  */
 
diff --git a/gcc/testsuite/gcc.dg/atomic-fence.c b/gcc/testsuite/gcc.dg/atomic-fence.c
index 1f6d1871a0b6..ab5c7d62c9c8 100644
--- a/gcc/testsuite/gcc.dg/atomic-fence.c
+++ b/gcc/testsuite/gcc.dg/atomic-fence.c
@@ -6,6 +6,7 @@
 
 /* Test that __atomic_{thread,signal}_fence builtins execute.  */
 
+int
 main ()
 {
   __atomic_thread_fence (__ATOMIC_RELAXED);
diff --git a/gcc/testsuite/gcc.dg/atomic-flag.c b/gcc/testsuite/gcc.dg/atomic-flag.c
index b81cd7832af3..6e79b9027206 100644
--- a/gcc/testsuite/gcc.dg/atomic-flag.c
+++ b/gcc/testsuite/gcc.dg/atomic-flag.c
@@ -7,6 +7,7 @@
 extern void abort(void);
 unsigned char a;
 
+int
 main ()
 {
   int b;
diff --git a/gcc/testsuite/gcc.dg/atomic-generic.c b/gcc/testsuite/gcc.dg/atomic-generic.c
index d77e97dbf8aa..9b09f87b84ce 100644
--- a/gcc/testsuite/gcc.dg/atomic-generic.c
+++ b/gcc/testsuite/gcc.dg/atomic-generic.c
@@ -23,6 +23,7 @@ test_struct a,b;
 
 int size = sizeof (test_struct);
 /* Test for consistency on sizes 1, 2, 4, 8, 16 and 32.  */
+int
 main ()
 {
   test_struct c;
diff --git a/gcc/testsuite/gcc.dg/atomic-invalid.c b/gcc/testsuite/gcc.dg/atomic-invalid.c
index 48de91f6c75b..4d040e1d5729 100644
--- a/gcc/testsuite/gcc.dg/atomic-invalid.c
+++ b/gcc/testsuite/gcc.dg/atomic-invalid.c
@@ -10,6 +10,7 @@ int i, e, b;
 size_t s;
 bool x;
 
+int
 main ()
 {
   __atomic_compare_exchange_n (&i, &e, 1, 0, __ATOMIC_RELAXED, __ATOMIC_SEQ_CST); /* { dg-error "failure memory model cannot be stronger" } */
diff --git a/gcc/testsuite/gcc.dg/atomic-load-1.c b/gcc/testsuite/gcc.dg/atomic-load-1.c
index 928f9b0f10b3..72ca317f209c 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-1.c
@@ -10,6 +10,7 @@ extern void abort(void);
 
 char v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-load-2.c b/gcc/testsuite/gcc.dg/atomic-load-2.c
index 3d1df1cfffa9..e937a2dab8b0 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-2.c
@@ -11,6 +11,7 @@ extern void abort(void);
 short v, count;
 
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-load-3.c b/gcc/testsuite/gcc.dg/atomic-load-3.c
index ec238be9e517..3e70ef429f6f 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-3.c
@@ -8,6 +8,7 @@ extern void abort(void);
 int v, count;
 
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-load-4.c b/gcc/testsuite/gcc.dg/atomic-load-4.c
index 032ad246fd06..750623dcb63b 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-4.c
@@ -9,6 +9,7 @@ extern void abort(void);
 
 long long v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-load-5.c b/gcc/testsuite/gcc.dg/atomic-load-5.c
index 31d806633e1c..d37d64248927 100644
--- a/gcc/testsuite/gcc.dg/atomic-load-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-load-5.c
@@ -8,6 +8,7 @@ extern void abort(void);
 
 __int128_t v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-lockfree.c b/gcc/testsuite/gcc.dg/atomic-lockfree.c
index 225428223eaa..093aee9199f7 100644
--- a/gcc/testsuite/gcc.dg/atomic-lockfree.c
+++ b/gcc/testsuite/gcc.dg/atomic-lockfree.c
@@ -17,6 +17,7 @@ extern void abort();
 int r1, r2;
 
 /* Test for consistency on sizes 1, 2, 4, 8, 16 and 32.  */
+int
 main ()
 {
   
diff --git a/gcc/testsuite/gcc.dg/atomic-noinline.c b/gcc/testsuite/gcc.dg/atomic-noinline.c
index 626254d8a9a7..b3490ea32606 100644
--- a/gcc/testsuite/gcc.dg/atomic-noinline.c
+++ b/gcc/testsuite/gcc.dg/atomic-noinline.c
@@ -16,6 +16,7 @@ extern void abort();
 short as,bs,cs;
 char ac,bc,cc;
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-op-1.c b/gcc/testsuite/gcc.dg/atomic-op-1.c
index bc1716f77999..a8a97c401b7a 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-1.c
@@ -527,6 +527,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-op-2.c b/gcc/testsuite/gcc.dg/atomic-op-2.c
index 8755340cca22..949850345b5b 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-2.c
@@ -528,6 +528,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-op-3.c b/gcc/testsuite/gcc.dg/atomic-op-3.c
index 69db4894b638..9a54a2a41783 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-3.c
@@ -527,6 +527,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-op-4.c b/gcc/testsuite/gcc.dg/atomic-op-4.c
index 7c4a819bfaae..6990b0e2d751 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-4.c
@@ -529,6 +529,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-op-5.c b/gcc/testsuite/gcc.dg/atomic-op-5.c
index e78d81509978..1407f3fe3b24 100644
--- a/gcc/testsuite/gcc.dg/atomic-op-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-op-5.c
@@ -528,6 +528,7 @@ test_or ()
     abort ();
 }
 
+int
 main ()
 {
   test_fetch_add ();
diff --git a/gcc/testsuite/gcc.dg/atomic-param.c b/gcc/testsuite/gcc.dg/atomic-param.c
index a1bfc6be87ce..1f2b12690fa5 100644
--- a/gcc/testsuite/gcc.dg/atomic-param.c
+++ b/gcc/testsuite/gcc.dg/atomic-param.c
@@ -5,6 +5,7 @@
 
 int i;
 
+int
 main ()
 {
 
diff --git a/gcc/testsuite/gcc.dg/atomic-store-1.c b/gcc/testsuite/gcc.dg/atomic-store-1.c
index f99eb9c844f6..1ca5febcf812 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-1.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-1.c
@@ -9,6 +9,7 @@ extern void abort(void);
 
 char v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-store-2.c b/gcc/testsuite/gcc.dg/atomic-store-2.c
index da346fd7de43..c7b1e211a19e 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-2.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-2.c
@@ -9,6 +9,7 @@ extern void abort(void);
 
 short v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-store-3.c b/gcc/testsuite/gcc.dg/atomic-store-3.c
index b691da4592fb..52b30faacdcf 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-3.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-3.c
@@ -9,6 +9,7 @@ extern void abort(void);
 
 int v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-store-4.c b/gcc/testsuite/gcc.dg/atomic-store-4.c
index 0863be99d011..ca37fdc4628c 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-4.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-4.c
@@ -11,6 +11,7 @@ extern void abort(void);
 
 long long v, count;
 
+int
 main ()
 {
   v = 0;
diff --git a/gcc/testsuite/gcc.dg/atomic-store-5.c b/gcc/testsuite/gcc.dg/atomic-store-5.c
index 763d29e240cf..a855182bf49c 100644
--- a/gcc/testsuite/gcc.dg/atomic-store-5.c
+++ b/gcc/testsuite/gcc.dg/atomic-store-5.c
@@ -10,6 +10,7 @@ extern void abort(void);
 
 __int128_t v, count;
 
+int
 main ()
 {
   v = 0;