From: Ilya Enkovich <enkovich.gnu@gmail.com>
Date: Tue, 1 Sep 2015 14:38:42 +0000 (+0000)
Subject: re PR target/67405 (ICE on invalid use of struct on x86_64-linux-gnu)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=53f303165e21a7e87de1346929e82c0626600e61;p=gcc.git

re PR target/67405 (ICE on invalid use of struct on x86_64-linux-gnu)

gcc/

	PR target/67405
	* tree-chkp.c (chkp_find_bound_slots_1): Add NULL check.

gcc/testsuite/

	PR target/67405
	* g++.dg/pr67405.C: New test.

From-SVN: r227373
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 925546afa4b..8ad749f8f21 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2015-09-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	PR target/67405
+	* tree-chkp.c (chkp_find_bound_slots_1): Add NULL check.
+
 2015-09-01  Aldy Hernandez  <aldyh@redhat.com>
 
 	* trans-mem.c: Add contributed-by.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3d83499b605..887e03f8117 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-09-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	PR target/67405
+	* g++.dg/pr67405.C: New test.
+
 2015-09-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* gcc.dg/vect/no-scevccp-outer-11.c: Don't xfail scan-tree-dump-times.
diff --git a/gcc/testsuite/g++.dg/pr67405.C b/gcc/testsuite/g++.dg/pr67405.C
new file mode 100644
index 00000000000..505592190e1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr67405.C
@@ -0,0 +1,11 @@
+// { dg-do compile }
+
+struct S
+{
+  S f; // { dg-error "incomplete type" }
+};
+
+void
+fn1 (S p1)
+{
+}
diff --git a/gcc/tree-chkp.c b/gcc/tree-chkp.c
index 8c1b48cf45c..2489abb2cb0 100644
--- a/gcc/tree-chkp.c
+++ b/gcc/tree-chkp.c
@@ -1667,8 +1667,9 @@ chkp_find_bound_slots_1 (const_tree type, bitmap have_bound,
       for (field = TYPE_FIELDS (type); field; field = DECL_CHAIN (field))
 	if (TREE_CODE (field) == FIELD_DECL)
 	  {
-	    HOST_WIDE_INT field_offs
-	      = TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (field));
+	    HOST_WIDE_INT field_offs = 0;
+	    if (DECL_FIELD_BIT_OFFSET (field))
+	      field_offs += TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (field));
 	    if (DECL_FIELD_OFFSET (field))
 	      field_offs += TREE_INT_CST_LOW (DECL_FIELD_OFFSET (field)) * 8;
 	    chkp_find_bound_slots_1 (TREE_TYPE (field), have_bound,