* gcc.c-torture/execute/va-arg-22.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50497 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2e1c449..1db2c2b 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2002-03-09  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcc.c-torture/execute/va-arg-22.c: New test.
+
 Sat Mar  9 07:47:50 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
        * gcc.c-torture/compile/20020309-1.c: New test.

diff --git a/gcc/testsuite/gcc.c-torture/execute/va-arg-22.c b/gcc/testsuite/gcc.c-torture/execute/va-arg-22.c
new file mode 100644 (file)
index 0000000..46b8dcb
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/va-arg-22.c
@@ -0,0 +1,78 @@
+#include <stdarg.h>
+
+extern void abort (void);
+extern void exit (int);
+
+void bar (int n, int c)
+{
+  static int lastn = -1, lastc = -1;
+
+  if (lastn != n)
+    {
+      if (lastc != lastn)
+       abort ();
+      lastc = 0;
+      lastn = n;
+    }
+
+  if (c != (char) (lastc ^ (n << 3)))
+    abort ();
+  lastc++;
+}
+
+#define D(N) typedef struct { char x[N]; } A##N;
+D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7)
+D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15)
+D(16) D(31) D(32) D(35) D(72)
+#undef D
+
+void foo (int size, ...)
+{
+#define D(N) A##N a##N;
+D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7)
+D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15)
+D(16) D(31) D(32) D(35) D(72)
+#undef D
+  va_list ap;
+  int i;
+
+  if (size != 21)
+    abort ();
+  va_start (ap, size);
+#define D(N)                                   \
+  a##N = va_arg (ap, typeof (a##N));           \
+  for (i = 0; i < N; i++)                      \
+    bar (N, a##N.x[i]);
+D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7)
+D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15)
+D(16) D(31) D(32) D(35) D(72)
+#undef D
+  va_end (ap);
+}
+
+int main (void)
+{
+#define D(N) A##N a##N;
+D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7)
+D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15)
+D(16) D(31) D(32) D(35) D(72)
+#undef D
+  int i;
+
+#define D(N)                                   \
+  for (i = 0; i < N; i++)                      \
+    a##N.x[i] = i ^ (N << 3);
+D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7)
+D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15)
+D(16) D(31) D(32) D(35) D(72)
+#undef D
+
+  foo (21
+#define D(N) , a##N
+D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7)
+D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15)
+D(16) D(31) D(32) D(35) D(72)
+#undef D
+      );
+  exit (0);
+}