1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr45535.c b/gcc/testsuite/gcc.c-torture/compile/pr45535.c
new file mode 100644
index 000000000..03d15a12d
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr45535.c
@@ -0,0 +1,38 @@
+typedef struct {
+    unsigned long pmd0;
+    unsigned long pmd1;
+} pmd_t;
+typedef unsigned int pgd_t;
+struct mm_struct {
+    pgd_t * pgd;
+};
+extern inline int pmd_bad(pmd_t pmd)
+{
+}
+extern inline void pmd_clear(pmd_t * pmdp)
+{
+  ((*pmdp).pmd0) = 0x20 | 0x00;
+  ((*pmdp).pmd1) = 0x20 | 0x00;
+}
+static inline void free_one_pmd(pmd_t * dir)
+{
+  if (pmd_bad(*dir)) {
+      pmd_clear(dir);
+  }
+}
+static inline void free_one_pgd(pgd_t * dir)
+{
+  int j;
+  pmd_t * pmd;
+  pmd = ((pmd_t *) ((unsigned long) (void *)(__pgd_val(dir) & (~((1UL << 12)-1)))) + (((0) >> 21) & (512 - 1)));
+  for (j = 0; j < 512 ; j++) {
+      free_one_pmd(pmd+j);
+  }
+}
+void clear_page_tables(struct mm_struct *mm, unsigned long first, int nr)
+{
+  pgd_t * page_dir = mm->pgd;
+  do {
+      free_one_pgd(page_dir);
+  } while (--nr);
+}