# DP: Don't turn on DWARF 5 by default, where GCC 11 is not the default.

--- a/src/gcc/common.opt
+++ b/src/gcc/common.opt
@@ -3353,7 +3353,7 @@ Common Driver JoinedOrMissing RejectNega
 Generate debug information in default version of DWARF format.
 
 gdwarf-
-Common Driver Joined UInteger Var(dwarf_version) Init(DWARF_VERSION_DEFAULT) RejectNegative
+Common Driver Joined UInteger Var(dwarf_version) Init(4) RejectNegative
 Generate debug information in DWARF v2 (or later) format.
 
 gdwarf32
--- a/src/gcc/defaults.h
+++ b/src/gcc/defaults.h
@@ -1444,7 +1444,7 @@ see the files COPYING3 and COPYING.RUNTI
 /* When generating dwarf info, the default standard version we'll honor
    and advertise in absence of -gdwarf-<N> on the command line.  */
 #ifndef DWARF_VERSION_DEFAULT
-#define DWARF_VERSION_DEFAULT 5
+#define DWARF_VERSION_DEFAULT 4
 #endif
 
 #ifndef USED_FOR_TARGET