From: Volker Reichelt <reichelt@igpm.rwth-aachen.de>
Date: Mon, 12 Jun 2006 21:39:10 +0000 (+0000)
Subject: re PR target/27421 (ICE with invalid array in struct)
X-Git-Tag: releases/gcc-4.0.4~619
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e29d2b51b31902c528803d38119cd87f4bfcd500;p=thirdparty%2Fgcc.git

re PR target/27421 (ICE with invalid array in struct)

	PR target/27421
	* config/i386/i386.c (classify_argument): Skip fields with invalid
	types in unions.

	* gcc.dg/union-3.c: New test.

From-SVN: r114584
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d1fdb162280d..c7e0d4651f0c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-06-12  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR target/27421
+	* config/i386/i386.c (classify_argument): Skip fields with invalid
+	types in unions.
+
 2006-06-06  Roger Sayle  <roger@eyesopen.com>
 
 	PR target/26223
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 209e8363b9b5..395d0be96333 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -2345,6 +2345,10 @@ classify_argument (enum machine_mode mode, tree type,
 	      if (TREE_CODE (field) == FIELD_DECL)
 		{
 		  int num;
+
+		  if (TREE_TYPE (field) == error_mark_node)
+		    continue;
+
 		  num = classify_argument (TYPE_MODE (TREE_TYPE (field)),
 					   TREE_TYPE (field), subclasses,
 					   bit_offset);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6ae8ee10960b..e97f71dd586a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2006-06-12  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
+	PR target/27421
+	* gcc.dg/union-3.c: New test.
+
 	PR c++/27933
 	* g++.dg/lookup/using15.C: New test.
 
diff --git a/gcc/testsuite/gcc.dg/union-3.c b/gcc/testsuite/gcc.dg/union-3.c
new file mode 100644
index 000000000000..3e89b755afad
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/union-3.c
@@ -0,0 +1,10 @@
+/* PR target/27421 */
+/* { dg-do compile } */
+
+union A
+{
+  int i;
+  void x[1];  /* { dg-error "array of voids" } */
+};
+
+void foo(union A a) {}