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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/c90-array-lval-7.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/c90-array-lval-7.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/c90-array-lval-7.c23
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diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c90-array-lval-7.c b/gcc-4.9/gcc/testsuite/gcc.dg/c90-array-lval-7.c
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+++ b/gcc-4.9/gcc/testsuite/gcc.dg/c90-array-lval-7.c
@@ -0,0 +1,23 @@
+/* Test for non-lvalue arrays: test that C90 does not allow them in
+ conditional expressions, while in C99 they decay and are
+ allowed. */
+
+/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
+
+struct s { char c[1]; };
+struct s a, b, c;
+int d;
+int e;
+
+void
+bar (void)
+{
+ /* In C90, the non-lvalue arrays do not decay to pointers, and
+ 6.3.15 does not permit conditional expressions between arrays.
+ In C99, they decay to pointers. */
+ (e ? (d ? b : c).c : (e ? b : c).c); /* { dg-bogus "warning" "warning in place of error" } */
+}
+
+/* { dg-error "array" "bad conditional" { target *-*-* } 20 } */