unsigned int locations_valid : 1;
+ /* DWARF unwinder for this CU is valid even for epilogues (PC at the return
+ instruction). This is supported by GCC since 4.5.0. */
+
+ unsigned int epilogue_unwind_valid : 1;
+
/* The macro table for this symtab. Like the blockvector, this
may be shared between different symtabs --- and normally is for
all the symtabs in a given compilation unit. */