openjdk-1.8.0/8250861-Crash-in-MinINode-Ideal-PhaseGVN-bool.patch
ow_wo ae9be8e401 add patches:
-  8236512-PKCS11-Connection-closed-after-Cipher.doFinal-and-NoPadding.patch
 -  8250861-Crash-in-MinINode-Ideal-PhaseGVN-bool.patch
2020-11-10 22:23:15 +08:00

37 lines
1.5 KiB
Diff
Executable File

From 32271b8bfd2325ebb0d7fd338f3454be7dd1f998 Mon Sep 17 00:00:00 2001
Date: Fri, 30 Oct 2020 18:15:32 +0800
Subject: [PATCH] 8250861: Crash in MinINode::Ideal(PhaseGVN*, bool)
Summary: C2: Added missing NULL checks.
LLT: N/A
Bug url: https://bugs.openjdk.java.net/browse/JDK-8250861
---
hotspot/src/share/vm/opto/addnode.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hotspot/src/share/vm/opto/addnode.cpp b/hotspot/src/share/vm/opto/addnode.cpp
index 7bfa6e404..61b376e9b 100644
--- a/hotspot/src/share/vm/opto/addnode.cpp
+++ b/hotspot/src/share/vm/opto/addnode.cpp
@@ -921,7 +921,7 @@ Node *MinINode::Ideal(PhaseGVN *phase, bool can_reshape) {
// Transform MIN2(x + c0, MIN2(x + c1, z)) into MIN2(x + MIN2(c0, c1), z)
// if x == y and the additions can't overflow.
- if (phase->eqv(x,y) &&
+ if (phase->eqv(x,y) && tx != NULL &&
!can_overflow(tx, x_off) &&
!can_overflow(tx, y_off)) {
return new (phase->C) MinINode(phase->transform(new (phase->C) AddINode(x, phase->intcon(MIN2(x_off, y_off)))), r->in(2));
@@ -929,7 +929,7 @@ Node *MinINode::Ideal(PhaseGVN *phase, bool can_reshape) {
} else {
// Transform MIN2(x + c0, y + c1) into x + MIN2(c0, c1)
// if x == y and the additions can't overflow.
- if (phase->eqv(x,y) &&
+ if (phase->eqv(x,y) && tx != NULL &&
!can_overflow(tx, x_off) &&
!can_overflow(tx, y_off)) {
return new (phase->C) AddINode(x,phase->intcon(MIN2(x_off,y_off)));
--
2.12.3