Fix indirect call tests for MPFR.

2 files changed, 6 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index d0b5bd3a..1ce225be 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,11 @@
 	* debug.c (do_eval): Preserve DO_MPFR flag in do_flags before
 	parsing the string to be evaluated.
 
+	Fix indirect call tests for MPFR:
+
+	* awkgram.y (lookup_builtin): Only return the MPFR builtin
+	function if the pointer is not NULL.
+
 2020-07-08         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* str_array.c (str_lookup): If a pure number, copy to a string. Fixes
diff --git a/awkgram.y b/awkgram.y
index ec917c3b..f78fe470 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -6476,7 +6476,7 @@ lookup_builtin(const char *name)
 		return (builtin_func_t) do_sub;
 
 #ifdef HAVE_MPFR
-	if (do_mpfr)
+	if (do_mpfr && tokentab[mid].ptr2 != NULL)
 		return tokentab[mid].ptr2;
 #endif