PR c/58235

c:
	* c-typeck.c (build_modify_expr): Diagnose assignment to
	expression with array type.

testsuite:
	* gcc.dg/c90-array-lval-8.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205615 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 20 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/c90-array-lval-8.c b/gcc/testsuite/gcc.dg/c90-array-lval-8.c
new file mode 100644
index 00000000000..bc5b7b21b8a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c90-array-lval-8.c
@@ -0,0 +1,20 @@
+/* Test for non-lvalue arrays: test that they cannot be assigned to
+   array variables.  PR 58235.  */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
+
+struct s { char c[1]; } x;
+struct s f (void) { return x; }
+
+void
+g (void)
+{
+  char c[1];
+  c = f ().c; /* { dg-error "array" } */
+}
+
+void
+h (void)
+{
+  char c[1] = f ().c; /* { dg-error "array" } */
+}