1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/dwarf2out.h b/gcc/dwarf2out.h
index d659a96e0ab..76a9c0a39a2 100644
--- a/gcc/dwarf2out.h
+++ b/gcc/dwarf2out.h
@@ -108,6 +108,12 @@ struct GTY(()) dw_fde_node {
   /* True iff dw_fde_second_begin label is in text_section or
      cold_text_section.  */
   unsigned second_in_std_section : 1;
+  /* True if Rule 18 described in dwarf2cfi.c is in action, i.e. for dynamic
+     stack realignment in between pushing of hard frame pointer to stack
+     and setting hard frame pointer to stack pointer.  The register save for
+     hard frame pointer register should be emitted only on the latter
+     instruction.  */
+  unsigned rule18 : 1;
 };