From: Volker Reichelt <reichelt@igpm.rwth-aachen.de>
Date: Tue, 30 May 2006 13:39:19 +0000 (+0000)
Subject: re PR c/27718 (ICE with sizeof of incomplete type)
X-Git-Tag: releases/gcc-4.0.4~653
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c1dc9b8da579146372ee5c978f1e9302a0247017;p=thirdparty%2Fgcc.git

re PR c/27718 (ICE with sizeof of incomplete type)

	PR c/27718
	* c-typeck.c (c_expr_sizeof_type): Handle invalid types.

	* gcc.dg/sizeof-1.c: New test.

From-SVN: r114237
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1aad6d82eda3..aa946ca0a823 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c/27718
+	* c-typeck.c (c_expr_sizeof_type): Handle invalid types.
+
 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	PR c++/27451
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index 28a6f70e5a4e..bed7b9a648e6 100644
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -1955,7 +1955,8 @@ c_expr_sizeof_type (struct c_type_name *t)
   type = groktypename (t);
   ret.value = c_sizeof (type);
   ret.original_code = ERROR_MARK;
-  pop_maybe_used (C_TYPE_VARIABLE_SIZE (type));
+  pop_maybe_used (type != error_mark_node
+		  ? C_TYPE_VARIABLE_SIZE (type) : false);
   return ret;
 }
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 48a2af657d40..8dc0d9740b50 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c/27718
+	* gcc.dg/sizeof-1.c: New test.
+
 2006-05-29  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	PR c++/27713
diff --git a/gcc/testsuite/gcc.dg/sizeof-1.c b/gcc/testsuite/gcc.dg/sizeof-1.c
new file mode 100644
index 000000000000..9541a4c273ad
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/sizeof-1.c
@@ -0,0 +1,4 @@
+/* PR c/27718 */
+/* { dg-do compile } */
+
+int i = sizeof(struct A[]);  /* { dg-error "incomplete" } */