attrconst for tests

Fixes build warnings when running with higher optimization than -O0

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

ccan/array_size/test/run.c

@@ -16,7 +16,7 @@ static int array2_size = ARRAY_SIZE(array2);
 static int array3_size = ARRAY_SIZE(array3);
 static int array4_size = ARRAY_SIZE(array4);
 
-int main(int argc, char *argv[])
+int __attribute__((const)) main(int argc, char *argv[])
 {
 	(void)argc;
 	(void)argv;

ccan/build_assert/test/run-BUILD_ASSERT_OR_ZERO.c

@@ -1,7 +1,7 @@
 #include <ccan/build_assert/build_assert.h>
 #include <ccan/tap/tap.h>
 
-int main(int argc, char *argv[])
+int __attribute__((const)) main(int argc, char *argv[])
 {
 	(void)argc;
 	(void)argv;

ccan/check_type/test/run.c

@@ -1,7 +1,7 @@
 #include <ccan/check_type/check_type.h>
 #include <ccan/tap/tap.h>
 
-int main(int argc, char *argv[])
+int __attribute__((const)) main(int argc, char *argv[])
 {
 	int x = 0, y = 0;
 

ccan/container_of/test/run.c

@@ -6,7 +6,7 @@ struct foo {
 	char b;
 };
 
-int main(int argc, char *argv[])
+int __attribute__((const)) main(int argc, char *argv[])
 {
 	struct foo foo = { .a = 1, .b = 2 };
 	int *intp = &foo.a;

ccan/short_types/test/run-endian.c

@@ -4,7 +4,7 @@
 #include <stdlib.h>
 #include <err.h>
 
-int main(void)
+int __attribute__((const)) main(void)
 {
 	plan_tests(6);
 

ccan/short_types/test/run.c

@@ -3,7 +3,7 @@
 #include <stdlib.h>
 #include <err.h>
 
-int main(void)
+int __attribute__((const)) main(void)
 {
 	plan_tests(16);
 

core/test/run-mem_region_init.c

@@ -105,7 +105,7 @@ static void add_mem_node(uint64_t start, uint64_t len)
 	free(name);
 }
 
-void add_chip_dev_associativity(struct dt_node *dev __attribute__((unused)))
+void __attrconst add_chip_dev_associativity(struct dt_node *dev __attribute__((unused)))
 {
 }
 

core/test/run-mem_region_release_unused.c

@@ -99,7 +99,7 @@ static void add_mem_node(uint64_t start, uint64_t len)
 	free(name);
 }
 
-void add_chip_dev_associativity(struct dt_node *dev __attribute__((unused)))
+void __attrconst add_chip_dev_associativity(struct dt_node *dev __attribute__((unused)))
 {
 }
 

core/test/run-mem_region_release_unused_noalloc.c

@@ -99,7 +99,7 @@ static void add_mem_node(uint64_t start, uint64_t len)
 	free(name);
 }
 
-void add_chip_dev_associativity(struct dt_node *dev __attribute__((unused)))
+void __attrconst add_chip_dev_associativity(struct dt_node *dev __attribute__((unused)))
 {
 }