* gcc.dg/c90-const-expr-1.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35577 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 23 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/c90-const-expr-1.c b/gcc/testsuite/gcc.dg/c90-const-expr-1.c
new file mode 100644
index 00000000000..96d19ee8164
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c90-const-expr-1.c
@@ -0,0 +1,23 @@
+/* Test for constraints on constant expressions.  In C90 it is clear that
+   certain constructs are not permitted in unevaluated parts of an
+   expression (except in sizeof); in C99 it might fall within implementation
+   latitude.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk>; inspired by
+   http://deja.com/getdoc.xp?AN=524271595&fmt=text by Peter Seebach.
+*/
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
+
+extern int bar (void);
+
+void
+foo (void)
+{
+  int i;
+  static int j = (1 ? 0 : (i = 2)); /* { dg-error "initial" "assignment" { xfail *-*-* } } */
+  static int k = (1 ? 0 : ++i); /* { dg-error "initial" "increment" { xfail *-*-* } } */
+  static int l = (1 ? 0 : --i); /* { dg-error "initial" "decrement" { xfail *-*-* } } */
+  static int m = (1 ? 0 : bar ()); /* { dg-error "initial" "function call" { xfail *-*-* } } */
+  static int n = (1 ? 0 : (2, 3)); /* { dg-error "initial" "comma" { xfail *-*-* } } */
+}