re PR middle-end/24950 (ICE in operand_subword_force)

	PR middle-end/24950
	Copy from trunk 2005-11-14  Dale Johannesen  <dalej@apple.com>
	* gcc.c-torture/execute/20051113-1.c:  New.

From-SVN: r107418

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index dae4f0f59a04cdf5e1f57175806e105af0a69e64..24095bc63f1f3de942c3735b71e75da77f46e87f 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2005-11-23  Alan Modra  <amodra@bigpond.net.au>
+
+       PR middle-end/24950
+       Copy from trunk 2005-11-14  Dale Johannesen  <dalej@apple.com>
+       * gcc.c-torture/execute/20051113-1.c:  New.
+
 2005-11-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
        PR c++/23797

diff --git a/gcc/testsuite/gcc.c-torture/execute/20051113-1.c b/gcc/testsuite/gcc.c-torture/execute/20051113-1.c
new file mode 100644 (file)
index 0000000..6dbd1f0
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20051113-1.c
@@ -0,0 +1,71 @@
+extern void *malloc(__SIZE_TYPE__);
+extern void *memset(void *, int, __SIZE_TYPE__);
+typedef struct
+{
+  short a;  
+  unsigned short b;
+  unsigned short c;
+  unsigned long long Count;
+  long long Count2;
+} __attribute__((packed)) Struct1;
+
+typedef struct
+{
+  short a;
+  unsigned short b;
+  unsigned short c;
+  unsigned long long d;
+  long long e;
+  long long f;
+} __attribute__((packed)) Struct2;
+
+typedef union
+{
+  Struct1 a;
+  Struct2 b;
+} Union;
+
+typedef struct
+{
+  int Count;
+  Union List[0];
+} __attribute__((packed)) Struct3;
+
+unsigned long long Sum (Struct3 *instrs) __attribute__((noinline));
+unsigned long long Sum (Struct3 *instrs)
+{
+    unsigned long long  count = 0;
+    int     i;
+    
+    for (i = 0; i < instrs->Count; i++) {
+        count += instrs->List[i].a.Count;
+    }
+    return count;
+}
+long long Sum2 (Struct3 *instrs) __attribute__((noinline));
+long long Sum2 (Struct3 *instrs)
+{
+    long long  count = 0;
+    int     i;
+    
+    for (i = 0; i < instrs->Count; i++) {
+        count += instrs->List[i].a.Count2;
+    }
+    return count;
+}
+main() {
+  Struct3 *p = malloc (sizeof (int) + 3 * sizeof(Struct1));
+  memset(p, 0, sizeof(int) + 3*sizeof(Struct1));
+  p->Count = 3;
+  p->List[0].a.Count = 555;
+  p->List[1].a.Count = 999;
+  p->List[2].a.Count = 0x101010101ULL;
+  p->List[0].a.Count2 = 555;
+  p->List[1].a.Count2 = 999;
+  p->List[2].a.Count2 = 0x101010101LL;
+  if (Sum(p) != 555 + 999 + 0x101010101ULL)
+    abort();
+  if (Sum2(p) != 555 + 999 + 0x101010101LL)
+    abort();
+  return 0;
+}