diff --git a/0381-dfc-Fix-error-in-function-wholeaccess.patch b/0381-dfc-Fix-error-in-function-wholeaccess.patch
new file mode 100644
index 0000000000000000000000000000000000000000..9adfa569e26d2d7c69c0185e8bb32a0f16fd0830
--- /dev/null
+++ b/0381-dfc-Fix-error-in-function-wholeaccess.patch
@@ -0,0 +1,87 @@
+From 6de9d3011cda914ab1fecd73f1d517cc3b82f0cb Mon Sep 17 00:00:00 2001
+From: huzife <634763349@qq.com>
+Date: Fri, 23 May 2025 14:48:13 +0800
+Subject: [PATCH] [dfc] Fix error in function wholeaccess
+
+---
+ gcc/ipa-struct-reorg/ipa-struct-reorg.cc      | 32 ++++++-------------
+ gcc/testsuite/gcc.dg/struct/dfc_wholeaccess.c | 18 +++++++++++
+ 2 files changed, 27 insertions(+), 23 deletions(-)
+ create mode 100644 gcc/testsuite/gcc.dg/struct/dfc_wholeaccess.c
+
+diff --git a/gcc/ipa-struct-reorg/ipa-struct-reorg.cc b/gcc/ipa-struct-reorg/ipa-struct-reorg.cc
+index 851bda65c..e8a84abbd 100644
+--- a/gcc/ipa-struct-reorg/ipa-struct-reorg.cc
++++ b/gcc/ipa-struct-reorg/ipa-struct-reorg.cc
+@@ -5014,35 +5014,21 @@ ipa_struct_reorg::wholeaccess (tree expr, tree base,
+   if (TREE_CODE (expr) == ADDR_EXPR && TREE_OPERAND (expr, 0) == base)
+     return true;
+ 
+-  if (!accesstype)
++  if (!accesstype || !handled_type (TREE_TYPE (expr)) || !t || !t->type)
+     return false;
+ 
+-  if (!types_compatible_p (TREE_TYPE (expr), TREE_TYPE (accesstype)))
+-    return false;
+-
+-  if (!handled_type (TREE_TYPE (expr)))
+-    return false;
+-
+-  if (!t || !t->type)
+-    return false;
+-
+-  tree type = TYPE_MAIN_VARIANT (t->type);
++  /* T *_1; _2 = MEM[(T *)_1].  */
+   if (TREE_CODE (expr) == MEM_REF
+-      && POINTER_TYPE_P (TREE_TYPE (expr))
+-      && POINTER_TYPE_P (accesstype)
+-      && POINTER_TYPE_P (TREE_TYPE (accesstype))
++      && integer_zerop (TREE_OPERAND (expr, 1))
+       && POINTER_TYPE_P (TREE_TYPE (base))
+-      && TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (base))) == type
+-      && TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (expr))) == type
+-      && TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (accesstype))) == type)
+-    return false;
+-
+-  srtype *other_type = find_type (inner_type (TREE_TYPE (expr)));
++      && types_compatible_p (TREE_TYPE (TREE_TYPE (base)), t->type))
++    return POINTER_TYPE_P (accesstype)
++	   && types_compatible_p (TREE_TYPE (accesstype), t->type);
+ 
+-  if (t == other_type)
+-    return true;
++  if (!types_compatible_p (TREE_TYPE (expr), TREE_TYPE (accesstype)))
++    return false;
+ 
+-  return false;
++  return t == find_type (inner_type (TREE_TYPE (expr)));
+ }
+ 
+ bool
+diff --git a/gcc/testsuite/gcc.dg/struct/dfc_wholeaccess.c b/gcc/testsuite/gcc.dg/struct/dfc_wholeaccess.c
+new file mode 100644
+index 000000000..60d73f0f0
+--- /dev/null
++++ b/gcc/testsuite/gcc.dg/struct/dfc_wholeaccess.c
+@@ -0,0 +1,18 @@
++/* { dg-do compile } */
++
++struct Type_A;
++
++// Optimized type.
++struct Type_B {
++    int b;
++};
++
++__attribute__((used)) static void test() {
++    struct Type_A* a;
++    struct Type_B* b;
++
++    // MEM[(Type_B*)a] = *b;
++    *((struct Type_B*)a) = *b;
++}
++
++// This testsuite should be compiled successfully without ICE.
+-- 
+2.43.0
+
diff --git a/gcc.spec b/gcc.spec
index 658cc868f37ad93f1904d3e48184dea122deac8a..80857d5e53c1d939debbeae00c2316cd59ba5647 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -2,7 +2,7 @@
 %global gcc_major 12
 # Note, gcc_release must be integer, if you want to add suffixes to
 # %%{release}, append them after %%{gcc_release} on Release: line.
-%global gcc_release 85
+%global gcc_release 86
 
 %global _unpackaged_files_terminate_build 0
 %global _performance_build 1
@@ -490,6 +490,7 @@ Patch377: 0377-oeAware-Fix-.GCC4OE_oeAware-section-dup-in-namespace.patch
 Patch378: 0378-Add-alignment-propagation-localize-array-array-dse.patch
 Patch379: 0379-SVE-Add-container-restriction-for-std-find-with-sve.patch
 Patch380: 0380-Fix-tune-params-error-in-hip09-and-hip11.patch
+Patch381: 0381-dfc-Fix-error-in-function-wholeaccess.patch
 
 # Part 1001-1999
 %ifarch sw_64
@@ -1656,6 +1657,7 @@ not stable, so plugins must be rebuilt any time GCC is updated.
 %patch -P378 -p1
 %patch -P379 -p1
 %patch -P380 -p1
+%patch -P381 -p1
 
 %ifarch sw_64
 %patch -P1001 -p1
@@ -4283,6 +4285,10 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Tue May 27 2025 huzife <634763349@qq.com> - 12.3.1-86
+- Type: Sync
+- DESC: Sync patches from openeuler/gcc.
+
 * Wed May 21 2025 huzife <634763349@qq.com> - 12.3.1-85
 - Type: Bugfix
 - DESC: Fix tune params error in hip09 and hip11.