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 1aad6d82eda398374a8ef680dc37e9e46437da74..aa946ca0a823544375408f0cc06c25c19214e701 100644 (file)
--- 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 28a6f70e5a4e36d861560b6fe31e96ca08d19ca3..bed7b9a648e6e139f8816d837ad85a9c01f82dc0 100644 (file)
--- 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 48a2af657d408652cbf05ec0404332741b624cee..8dc0d9740b50883666a39a4044e84edde045b8f8 100644 (file)
--- 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 (file)
index 0000000..9541a4c
--- /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" } */