doc/go1.17: linker passes -I to extld as -Wl,--dynamic-linker

For #22446

Change-Id: I71a30761a28e81c50b7089d5a28be99c736c2dc8
Reviewed-on: https://go-review.googlesource.com/c/go/+/341332
Trust: Ian Lance Taylor <[email protected]>
Run-TryBot: Ian Lance Taylor <[email protected]>
Reviewed-by: Heschi Kreinick <[email protected]>
TryBot-Result: Go Bot <[email protected]>

Author: ianlancetaylor

doc/go1.17.html

@@ -488,6 +488,15 @@ <h2 id="compiler">Compiler</h2>
   and compare functions by code pointer.
 </p>
 
+<h3 id="link">Linker</h3>
+
+<p><!-- CL 310349 -->
+  When the linker uses external linking mode, which is the default
+  when linking a program that uses cgo, and the linker is invoked
+  with a <code>-I</code> option, the option will now be passed to the
+  external linker as a <code>-Wl,--dynamic-linker</code> option.
+</p>
+
 <h2 id="library">Core library</h2>
 
 <h3 id="runtime/cgo"><a href="/pkg/runtime/cgo">Cgo</a></h3>