libgo patch committed: Regenerate configure script

[Ian Lance Taylor via Gcc-patches]

This patch updates the libgo configure script to the current source
repo.  This just fixes a couple of line numbers.  Bootstrapped and ran
Go testsuite on x86_64-pc-linux-gnu.

Ian

commit c922c6539e63a775ee29751320d678f0a0a33d07
Author: Ian Lance Taylor <i...@golang.org>
Date:   Tue May 18 18:09:27 2021 -0700

    libgo: update configure to current sources
    
    Change-Id: I12766baf02bfdf2233f1c5bde1a270f06b020aa7
    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/321076
    Trust: Ian Lance Taylor <i...@golang.org>
    Reviewed-by: Cherry Mui <cherr...@google.com>
    Reviewed-by: Than McIntosh <th...@google.com>

diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index efb7a772882..373b58c75a4 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-9782e85bef1c16c72a4980856d921cea104b129c
+38228e7a91d37588463307ec60420c8f17f1aee4
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/libgo/configure b/libgo/configure
index 70f64c974fd..915eeaf050b 100755
--- a/libgo/configure
+++ b/libgo/configure
@@ -11544,7 +11544,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11557 "configure"
+#line 11547 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11650,7 +11650,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11663 "configure"
+#line 11653 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H