8 files changed, 8 insertions, 1 deletions
diff --git a/gcc/testsuite/c-c++-common/Wcast-function-type.c b/gcc/testsuite/c-c++-common/Wcast-function-type.c
index b49da48..8f2997d 100644
--- a/gcc/testsuite/c-c++-common/Wcast-function-type.c
+++ b/gcc/testsuite/c-c++-common/Wcast-function-type.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-Wcast-function-type" } */
+/* { dg-additional-options "-std=gnu17" { target c } } */
 
 int f(long);
 
diff --git a/gcc/testsuite/c-c++-common/Wformat-pr84258.c b/gcc/testsuite/c-c++-common/Wformat-pr84258.c
index d2870a8..10fa9ba 100644
--- a/gcc/testsuite/c-c++-common/Wformat-pr84258.c
+++ b/gcc/testsuite/c-c++-common/Wformat-pr84258.c
@@ -1,4 +1,5 @@
 /* { dg-options "-Wformat" } */
+/* { dg-additional-options "-std=gnu17" { target c } } */
 
 int main (int argc, char **argv)
 {
diff --git a/gcc/testsuite/c-c++-common/Wvarargs.c b/gcc/testsuite/c-c++-common/Wvarargs.c
index bfd8276..ea86ba3 100644
--- a/gcc/testsuite/c-c++-common/Wvarargs.c
+++ b/gcc/testsuite/c-c++-common/Wvarargs.c
@@ -1,4 +1,5 @@
 /* { dg-do compile } */
+/* { dg-additional-options "-std=gnu17" { target c } } */
 
 #include <stdarg.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/data-model-12.c b/gcc/testsuite/c-c++-common/analyzer/data-model-12.c
index 653b7ad..e4a7fbd 100644
--- a/gcc/testsuite/c-c++-common/analyzer/data-model-12.c
+++ b/gcc/testsuite/c-c++-common/analyzer/data-model-12.c
@@ -1,4 +1,5 @@
 /* Mismatching decl of foo.  */
+/* { dg-additional-options "-std=gnu17" { target c } } */
 
 int foo ();
 
diff --git a/gcc/testsuite/c-c++-common/builtins.c b/gcc/testsuite/c-c++-common/builtins.c
index 527c77e..f44d0d3 100644
--- a/gcc/testsuite/c-c++-common/builtins.c
+++ b/gcc/testsuite/c-c++-common/builtins.c
@@ -2,7 +2,7 @@
    with no prototype do not cause an ICE.
   { dg-do compile }
   { dg-options "-O2 -Wall -Wextra" }
-  { dg-additional-options "-fpermissive" { target c } }
+  { dg-additional-options "-std=gnu17 -fpermissive" { target c } }
   { dg-prune-output "warning" }
   { dg-require-effective-target alloca }  */
 
diff --git a/gcc/testsuite/c-c++-common/pointer-to-fn1.c b/gcc/testsuite/c-c++-common/pointer-to-fn1.c
index 70a5831..862ca7a 100644
--- a/gcc/testsuite/c-c++-common/pointer-to-fn1.c
+++ b/gcc/testsuite/c-c++-common/pointer-to-fn1.c
@@ -1,6 +1,7 @@
 /* PR c++/106937 */
 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
 /* { dg-options "-fpermissive -fcf-protection" } */
+/* { dg-additional-options "-std=gnu17" { target c } } */
 /* { dg-additional-options "-std=c++11" { target c++ } } */
 /* Test printing a pointer to function with attribute.  */
 
diff --git a/gcc/testsuite/c-c++-common/pragma-diag-17.c b/gcc/testsuite/c-c++-common/pragma-diag-17.c
index a44ce90..93206f0 100644
--- a/gcc/testsuite/c-c++-common/pragma-diag-17.c
+++ b/gcc/testsuite/c-c++-common/pragma-diag-17.c
@@ -1,5 +1,6 @@
 /* Test silencing the numeric constant extension pedwarns.  */
 /* { dg-options "-pedantic-errors" } */
+/* { dg-additional-options "-std=gnu17" { target c } } */
 /* { dg-additional-options -fext-numeric-literals { target c++14 } } */
 
 #pragma GCC diagnostic push
diff --git a/gcc/testsuite/c-c++-common/sizeof-array-argument.c b/gcc/testsuite/c-c++-common/sizeof-array-argument.c
index eedfcee..f2b2d33 100644
--- a/gcc/testsuite/c-c++-common/sizeof-array-argument.c
+++ b/gcc/testsuite/c-c++-common/sizeof-array-argument.c
@@ -1,5 +1,6 @@
 /* PR c/6940 */
 /* { dg-do compile } */
+/* { dg-additional-options "-Wno-old-style-definition" { target c } } */
 
 /* Test -Wsizeof-array-argument warning.  */