Add new testcases.

[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / sequence-pt-1.c

diff --git a/gcc/testsuite/gcc.dg/sequence-pt-1.c b/gcc/testsuite/gcc.dg/sequence-pt-1.c
index ad4f789..05eee82 100644 (file)
--- a/gcc/testsuite/gcc.dg/sequence-pt-1.c
+++ b/gcc/testsuite/gcc.dg/sequence-pt-1.c
@@ -19,7 +19,7 @@ typedef __SIZE_TYPE__ size_t;
 
 void
 foo (int a, int b, int n, int p, int *ptr, struct s *sptr,
-     int *ap, int *bp, int **cp, char *ans)
+     int *ap, int *bp, int **cp, char *ans, int (*fnp[8])(int))
 {
   int len;
     
@@ -30,10 +30,10 @@ foo (int a, int b, int n, int p, int *ptr, struct s *sptr,
   ap[n] = bp[n++]; /* { dg-warning "undefined" "sequence point warning" } */
   ap[--n] = bp[n]; /* { dg-warning "undefined" "sequence point warning" } */
   ap[++n] = bp[--n]; /* { dg-warning "undefined" "sequence point warning" } */
-  cp[n][n] = cp[n][n]++; /* { dg-warning "undefined" "sequence point warning" { xfail *-*-* } } */
+  cp[n][n] = cp[n][n]++; /* { dg-warning "undefined" "sequence point warning" } */
   cp[n][p] = cp[n][n++]; /* { dg-warning "undefined" "sequence point warning" } */
   *ptr++ = (size_t)ptr++; /* { dg-warning "undefined" "sequence point warning" } */
-  sptr->a = sptr->a++; /* { dg-warning "undefined" "sequence point warning" { xfail *-*-* } } */
+  sptr->a = sptr->a++; /* { dg-warning "undefined" "sequence point warning" } */
   sptr->a = (size_t)(sptr++); /* { dg-warning "undefined" "sequence point warning" } */
   *ptr++ = fn (*ptr); /* { dg-warning "undefined" "sequence point warning" } */
   a = b = a++; /* { dg-warning "undefined" "sequence point warning" } */
@@ -44,6 +44,9 @@ foo (int a, int b, int n, int p, int *ptr, struct s *sptr,
   a = (bp[a++] = b) + 1; /* { dg-warning "undefined" "sequence point warning" } */
   a = b++ * b++; /* { dg-warning "undefined" "sequence point warning" } */
   a = fnb (b++, b++); /* { dg-warning "undefined" "sequence point warning" } */
+  a = (*fnp[b++]) (b++); /* { dg-warning "undefined" "sequence point warning" } */
+  a = (*fnp[b]) (b++); /* { dg-warning "undefined" "sequence point warning" } */
+  a = (*fnp[b++]) (b); /* { dg-warning "undefined" "sequence point warning" } */
   *ap = fnc (ap++); /* { dg-warning "undefined" "sequence point warning" } */
   (a += b) + (a += n); /* { dg-warning "undefined" "sequence point warning" } */
   a =  (b, b++) + (b++, b); /* { dg-warning "undefined" "sequence point warning" } */
@@ -51,10 +54,24 @@ foo (int a, int b, int n, int p, int *ptr, struct s *sptr,
   ap[a+=1] += a; /* { dg-warning "undefined" "sequence point warning" } */
   ap[a++] += a++; /* { dg-warning "undefined" "sequence point warning" } */
   ap[a+=1] += a++; /* { dg-warning "undefined" "sequence point warning" } */
+  a = a++, b = a; /* { dg-warning "undefined" "sequence point warning" } */
+  b = a, a = a++; /* { dg-warning "undefined" "sequence point warning" } */
+  a = (b++ ? n : a) + b; /* { dg-warning "undefined" "sequence point warning" } */
+  b ? a = a++ : a; /* { dg-warning "undefined" "sequence point warning" } */
+  b && (a = a++); /* { dg-warning "undefined" "sequence point warning" } */
+  (a = a++) && b; /* { dg-warning "undefined" "sequence point warning" } */
+  b, (a = a++); /* { dg-warning "undefined" "sequence point warning" } */
+  (a = a++), b; /* { dg-warning "undefined" "sequence point warning" } */
+  a ^= b ^= a ^= b; /* { dg-warning "undefined" "sequence point warning" } */
 
+  a = a; /* { dg-bogus "undefined" "bogus sequence point warning" } */
   a = (a++ && 4); /* { dg-bogus "undefined" "bogus sequence point warning" } */
+  a = ! (a++ && 4); /* { dg-bogus "undefined" "bogus sequence point warning" } */
+  a = - (a++ && 4); /* { dg-bogus "undefined" "bogus sequence point warning" } */
+  a = (double) (a++ && 4); /* { dg-bogus "undefined" "bogus sequence point warning" } */
   len = sprintf (ans, "%d", len++); /* { dg-bogus "undefined" "bogus sequence point warning" } */
-  a = fn (a++); /* { dg-bogus "undefined" "sequence point warning" } */
+  a = fn (a++); /* { dg-bogus "undefined" "bogus sequence point warning" } */
+  b++, (b + b); /* { dg-bogus "undefined" "bogus sequence point warning" } */
   (a = b++), (a = b++); /* { dg-bogus "undefined" "bogus sequence point warning" } */
   a = (b++, b++); /* { dg-bogus "undefined" "bogus sequence point warning" } */
   a = b++ && b++; /* { dg-bogus "undefined" "bogus sequence point warning" } */
@@ -63,4 +80,30 @@ foo (int a, int b, int n, int p, int *ptr, struct s *sptr,
   a = (b++ ? a : b++); /* { dg-bogus "undefined" "bogus sequence point warning" } */
   ap[a++] += bp[b]; /* { dg-bogus "undefined" "bogus sequence point warning" } */
   ap[a += 1] += 1; /* { dg-bogus "undefined" "bogus sequence point warning" } */
+  *ptr < 128 ? *ptr++ : *(ptr += 2); /* { dg-bogus "undefined" "bogus sequence point warning" } */
+
+  /* The following will be represented internally with a tree consisting of
+     many duplicated SAVE_EXPRs.  This caused the previous version of the
+     sequence point warning code to fail by running out of virtual memory.  */
+  a = ((b & 1 ? 21 : 0)
+       | (b & 2 ? 22 : 0)
+       | (b & 3 ? 23 : 0)
+       | (b & 4 ? 24 : 0)
+       | (b & 5 ? 25 : 0)
+       | (b & 6 ? 26 : 0)
+       | (b & 7 ? 27 : 0)
+       | (b & 8 ? 28 : 0)
+       | (b & 9 ? 29 : 0)
+       | (b & 10 ? 30 : 0)
+       | (b & 11 ? 31 : 0)
+       | (b & 12 ? 32 : 0)
+       | (b & 13 ? 1 : 0)
+       | (b & 14 ? 2 : 0)
+       | (b & 15 ? 3 : 0)
+       | (b & 16 ? 4 : 0)
+       | (b & 17 ? 5 : 0)
+       | (b & 18 ? 6 : 0)
+       | (b & 19 ? 7 : 0)
+       | (b & 20 ? 8 : 0)
+       | (b & 21 ? 9 : 0));
 }