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# DP: Don't turn on DWARF 5 by default, where GCC 11 is not the default.
--- a/src/gcc/doc/invoke.texi
+++ b/src/gcc/doc/invoke.texi
@@ -9630,6 +9630,9 @@ version for most targets is 5 (with the
Darwin/Mac OS X, which default to version 2, and AIX, which defaults
to version 4).
+NOTE: On Ubuntu release, where GCC 11 is not used as the default (21.04
+and earlier releases), it defaults to version 4.
+
Note that with DWARF Version 2, some ports require and always
use some non-conflicting DWARF 3 extensions in the unwind tables.
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