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-rw-r--r--gcc/testsuite/gcc.dg/weak/weak-16.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/weak/weak-16.c b/gcc/testsuite/gcc.dg/weak/weak-16.c
new file mode 100644
index 000000000..3bcf3885d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/weak/weak-16.c
@@ -0,0 +1,21 @@
+/* From PR37280. */
+/* { dg-do compile } */
+/* { dg-require-weak "" } */
+/* { dg-options "-fno-common -Os" } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?kallsyms_token_index" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?kallsyms_token_table" } } */
+
+extern int kallsyms_token_index[] __attribute__((weak));
+extern int kallsyms_token_table[] __attribute__((weak));
+void kallsyms_expand_symbol(int *result)
+{
+ int len = *result;
+ int *tptr;
+ while(len) {
+ tptr = &kallsyms_token_table[ kallsyms_token_index[*result] ];
+ len--;
+ while (*tptr) tptr++;
+ *tptr = 1;
+ }
+ *result = 0;
+}