doc: correct supported gdb version info
GDB 7.5 recognizes DWARF4 by default.
GDB 7.5 release note does not explicitly mention DWARF4 support
but according to GCC 4.8 release note
https://gcc.gnu.org/gcc-4.8/changes.html
"DWARF4 is now the default when generating DWARF debug
information. ...
GDB 7.5, Valgrind 3.8.0 and elfutils 0.154 debug information
consumers support DWARF4 by default."
Change-Id: I56b011c7c38fbc103bbd366ceaea3b709c66ab7f
Reviewed-on: https://go-review.googlesource.com/77570
Reviewed-by: Alberto Donizetti <alb.donizetti@gmail.com>
diff --git a/doc/debugging_with_gdb.html b/doc/debugging_with_gdb.html
index e145d4c..633d058 100644
--- a/doc/debugging_with_gdb.html
+++ b/doc/debugging_with_gdb.html
@@ -32,7 +32,7 @@
<p>
When you compile and link your Go programs with the <code>gc</code> toolchain
on Linux, Mac OS X, FreeBSD or NetBSD, the resulting binaries contain DWARFv4
-debugging information that recent versions (>7.5) of the GDB debugger can
+debugging information that recent versions (≥7.5) of the GDB debugger can
use to inspect a live process or a core dump.
</p>