Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 56 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/gnu90-const-expr-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/gnu90-const-expr-1.c
new file mode 100644
index 000000000..e05211462
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/gnu90-const-expr-1.c
@@ -0,0 +1,56 @@
+/* Test for constant expressions: GNU extensions.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu90 -pedantic-errors" } */
+
+int n;
+
+void
+f (void)
+{
+  int i = 0;
+  int a[n]; /* { dg-error "ISO C90 forbids variable length array" } */
+  enum e1 {
+    /* Integer constant expressions may not contain statement
+       expressions (not a permitted operand).  */
+    E1 = (1 ? 0 : ({ 0; })), /* { dg-error "constant expression" } */
+    /* { dg-error "ISO C forbids braced-groups" "ISO" { target *-*-* } 16 } */
+    /* Real and imaginary parts act like other arithmetic
+       operators.  */
+    E2 = __real__ (1 ? 0 : i++), /* { dg-error "constant expression" } */
+    E3 = __real__ 0,
+    E4 = __imag__ (1 ? 0 : i++), /* { dg-error "constant" } */
+    E5 = __imag__ 0,
+    /* __alignof__ always constant.  */
+    E6 = __alignof__ (int[n]), /* { dg-error "ISO C90 forbids variable length array" } */
+    E7 = __alignof__ (a), /* { dg-error "__alignof__ \\(expression\\)" } */
+    /* __extension__ ignored for constant expression purposes.  */
+    E8 = __extension__ (1 ? 0 : i++), /* { dg-error "constant expression" } */
+    E9 = __extension__ 0,
+    /* Conditional expressions with omitted arguments act like the
+       standard type.  */ 
+    E10 = (1 ? : i++), /* { dg-error "constant expression" } */
+    /* { dg-error "ISO C forbids omitting" "ISO" { target *-*-* } 32 } */
+    E11 = (1 ? : 0) /* { dg-error "ISO C forbids omitting" } */
+  };
+  enum e2 {
+    /* Complex integer constants may be cast directly to integer
+       types, but not after further arithmetic on them.  */
+    F1 = (int) (_Complex int) 2i, /* { dg-error "constant expression" } */
+    /* { dg-error "complex" "complex" { target *-*-* } 39 } */
+    /* { dg-error "imaginary" "imaginary" { target *-*-* } 39 } */
+    F2 = (int) +2i, /* { dg-error "constant expression" } */
+    /* { dg-error "imaginary" "ISO" { target *-*-* } 42 } */
+    F3 = (int) (1 + 2i), /* { dg-error "constant expression" } */
+    /* { dg-error "imaginary" "ISO" { target *-*-* } 44 } */
+    F4 = (int) 2i /* { dg-error "imaginary" } */
+  };
+  static double dr = __real__ (1.0 + 2.0i);
+  /* { dg-error "imaginary" "ISO" { target *-*-* } 48 } */
+  static double di = __imag__ (1.0 + 2.0i);
+  /* { dg-error "imaginary" "ISO" { target *-*-* } 50 } */
+  /* Statement expressions allowed in unevaluated subexpressions in
+     initializers in gnu99 but not gnu89.  */
+  static int j = (1 ? 0 : ({ 0; })); /* { dg-error "constant expression" } */
+  /* { dg-error "braced" "ISO" { target *-*-* } 54 } */
+}