20020706-1.c: New test.

* gcc.c-torture/compile/20020706-1.c: New test.
* gcc.c-torture/compile/20020706-2.c: New test.

From-SVN: r55290

3 files changed, 81 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a18de74..0d8df23 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2002-07-06  Alexandre Oliva  <aoliva@redhat.com>
+
+	* gcc.c-torture/compile/20020706-1.c: New test.
+	* gcc.c-torture/compile/20020706-2.c: New test.
+
 2002-07-06  Brian R. Gaeke  <brg@dgate.ORG>, Alexandre Oliva  <aoliva@redhat.com>
 
 	* g++.dg/warn/incomplete1.C: New test.
diff --git a/gcc/testsuite/gcc.c-torture/compile/20020706-1.c b/gcc/testsuite/gcc.c-torture/compile/20020706-1.c
new file mode 100644
index 0000000..c8811bc
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20020706-1.c
@@ -0,0 +1,50 @@
+// Contributed by Alexandre Oliva <aoliva@redhat.com>
+// From Red Hat case 106165.
+
+typedef struct s1
+{
+  unsigned short v1;
+  unsigned char *v2;
+} S1;
+
+extern void bar(const struct s1 *const hdb);
+extern unsigned char* foo ();
+
+unsigned int sn;
+S1 *hdb;
+S1 *pb;
+unsigned short len;
+
+unsigned int crashIt()
+{
+  unsigned char *p;
+  unsigned int nsn;
+  unsigned short cnt;
+
+  if (sn != 0) return 1;
+
+  if ((len < 12) || ((p = (((pb->v1) >= 8) ? pb->v2 : foo() )) == 0))
+    return 1;
+
+  nsn = (
+	 (((*(unsigned int*)p) & 0x000000ff) << 24) |
+	 (((*(unsigned int*)p) & 0x0000ff00) << 8)  |
+	 (((*(unsigned int*)p) & 0x00ff0000) >> 8)  |
+	 (((*(unsigned int*)p) & 0xff000000) >> 24)  );
+  p += 4;
+
+  cnt = (unsigned short) ((
+			   (((*(unsigned int*)p) & 0x000000ff) << 24) |
+			   (((*(unsigned int*)p) & 0x0000ff00) << 8)  |
+			   (((*(unsigned int*)p) & 0x00ff0000) >> 8)  |
+			   (((*(unsigned int*)p) & 0xff000000) >> 24)  ) &
+			  0xffff);
+
+  if ((len != 12 + (cnt * 56)) || (nsn == 0))
+    {
+      bar(hdb);
+      return 1;
+    }
+
+  return 0;
+}
diff --git a/gcc/testsuite/gcc.c-torture/compile/20020706-2.c b/gcc/testsuite/gcc.c-torture/compile/20020706-2.c
new file mode 100644
index 0000000..b84dda6
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20020706-2.c
@@ -0,0 +1,26 @@
+// Contributed by Alexandre Oliva <aoliva@redhat.com>
+// From Red Hat case 106165.
+
+typedef unsigned short (FUNC_P) (void *, unsigned char *, unsigned short);
+
+void crashIt(int id, FUNC_P *func, unsigned char *funcparm)
+{
+  unsigned char buff[5], reverse[4];
+  unsigned char *bp = buff;
+  unsigned char *rp = reverse;
+  unsigned short int count = 0;
+  unsigned short cnt;
+  while (id > 0)
+    {
+      *rp++ = (unsigned char) (id & 0x7F);
+      id >>= 7;
+      count++;
+    }
+  cnt = count + 1;
+  while ((count--) > 1)
+    {
+      *bp++ = (unsigned char)(*(--rp) | 0x80);
+    }
+  *bp++ = *(--rp);
+  (void)(*func)(funcparm, buff, cnt);
+}