From: Bill Schmidt <wschmidt@linux.ibm.com>
Date: Wed, 5 Jan 2022 22:53:29 +0000 (-0600)
Subject: rs6000: Skip overload instances with uninitialized fntype (PR103622)
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4ec62dbafe0cb3b79cc635dfb964ef6a7ccc2d40;p=test_jj.git

rs6000: Skip overload instances with uninitialized fntype (PR103622)

2022-01-05  Bill Schmidt  <wschmidt@linux.ibm.com>

gcc/
	PR target/103622
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Skip over instances with undefined function types.
---

diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index db64af9..24a081c 100644
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -2002,6 +2002,12 @@ altivec_resolve_overloaded_builtin (location_t loc, tree fndecl,
 	 the overloaded call to that instance.  */
       for (; instance != NULL; instance = instance->next)
 	{
+	  /* It is possible for an instance to require a data type that isn't
+	     defined on this target, in which case instance->fntype will be
+	     NULL.  */
+	  if (!instance->fntype)
+	    continue;
+
 	  bool mismatch = false;
 	  tree nextparm = TYPE_ARG_TYPES (instance->fntype);