diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ddd35cd3be77..3c9d149c0a3a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-30  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/30313
+	* passes.c (execute_one_pass): Reset in_gimple_form to not
+	confuse non-unit-at-a-time mode.
+
 2007-01-29  Roger Sayle  <roger@eyesopen.com>
 	    Richard Guenther  <rguenther@suse.de>
 
diff --git a/gcc/passes.c b/gcc/passes.c
index f1a702efaaa8..a9bbba619c78 100644
--- a/gcc/passes.c
+++ b/gcc/passes.c
@@ -1054,6 +1054,9 @@ execute_one_pass (struct tree_opt_pass *pass)
       dump_file = NULL;
     }
 
+  /* Reset in_gimple_form to not break non-unit-at-a-time mode.  */
+  in_gimple_form = false;
+
   return true;
 }
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 205b74dc1428..a8ad0c5d622d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2007-01-30  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/30313
+	* gcc.dg/torture/pr30313.c: New testcase.
+
 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
 
 	* gcc.dg/dfp/dfp-except.h: New file.
diff --git a/gcc/testsuite/gcc.dg/torture/pr30313.c b/gcc/testsuite/gcc.dg/torture/pr30313.c
new file mode 100644
index 000000000000..1df85f7edc2b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr30313.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+
+static inline void bar(){}
+
+struct S
+{
+  signed int i: 32;
+};
+
+int main()
+{
+  struct S x = {32};
+  sizeof(x.i+0);
+  return 0;
+}