20001023-1.c, [...]: Declare built-in functions used.

	* gcc.dg/20001023-1.c, gcc.dg/20001108-1.c, gcc.dg/20001117-1.c,
	gcc.dg/20010202-1.c, gcc.dg/20011008-2.c, gcc.dg/20011214-1.c,
	gcc.dg/20020201-1.c, gcc.dg/20020312-2.c, gcc.dg/20020426-2.c,
	gcc.dg/20030331-2.c, gcc.dg/20030612-1.c, gcc.dg/20030926-1.c,
	gcc.dg/20031216-1.c, gcc.dg/20031218-3.c, gcc.dg/20040305-2.c,
	gcc.dg/980226-1.c, gcc.dg/Wreturn-type2.c,
	gcc.dg/Wunreachable-6.c, gcc.dg/Wunreachable-7.c,
	gcc.dg/align-1.c, gcc.dg/builtin-prefetch-1.c,
	gcc.dg/builtins-17.c, gcc.dg/builtins-19.c, gcc.dg/builtins-2.c,
	gcc.dg/builtins-20.c, gcc.dg/builtins-21.c, gcc.dg/builtins-7.c,
	gcc.dg/builtins-8.c, gcc.dg/cpp/19930510-1.c,
	gcc.dg/cpp/charconst-3.c, gcc.dg/cpp/charconst-4.c,
	gcc.dg/cpp/mi6.c, gcc.dg/cpp/tr-paste.c, gcc.dg/cpp/trad/mi6.c,
	gcc.dg/cpp/trad/paste.c, gcc.dg/cpp/trad/strify.c,
	gcc.dg/fastmath-1.c, gcc.dg/fshort-wchar.c, gcc.dg/i386-387-7.c,
	gcc.dg/i386-387-8.c, gcc.dg/i386-asm-1.c, gcc.dg/i386-cadd.c,
	gcc.dg/i386-fpcvt-3.c, gcc.dg/i386-loop-3.c,
	gcc.dg/i386-memset-1.c, gcc.dg/loop-2.c, gcc.dg/nest.c,
	gcc.dg/noncompile/971104-1.c, gcc.dg/noncompile/990416-1.c,
	gcc.dg/noncompile/scope.c, gcc.dg/pack-test-4.c,
	gcc.dg/pack-test-5.c, gcc.dg/pch/inline-4.c, gcc.dg/postincr-1.c,
	gcc.dg/pr10392-1.c, gcc.dg/pragma-align.c,
	gcc.dg/profile-generate-1.c, gcc.dg/sibcall-1.c,
	gcc.dg/sibcall-2.c, gcc.dg/sibcall-3.c, gcc.dg/sibcall-4.c,
	gcc.dg/sibcall-5.c, gcc.dg/sibcall-6.c, gcc.dg/switch-warn-1.c,
	gcc.dg/switch-warn-2.c, gcc.dg/torture/builtin-attr-1.c,
	gcc.dg/torture/builtin-math-1.c, gcc.dg/torture/builtin-noret-2.c,
	gcc.dg/trampoline-1.c, gcc.dg/tree-ssa/20030703-1.c,
	gcc.dg/tree-ssa/20030703-2.c, gcc.dg/tree-ssa/20030708-1.c,
	gcc.dg/tree-ssa/20030709-3.c, gcc.dg/tree-ssa/20030710-1.c,
	gcc.dg/tree-ssa/20030711-1.c, gcc.dg/tree-ssa/20030729-1.c,
	gcc.dg/tree-ssa/20030730-1.c, gcc.dg/tree-ssa/20030730-2.c,
	gcc.dg/tree-ssa/20030731-1.c, gcc.dg/tree-ssa/20030807-11.c,
	gcc.dg/tree-ssa/20030807-2.c, gcc.dg/tree-ssa/20030807-5.c,
	gcc.dg/tree-ssa/20030807-7.c, gcc.dg/tree-ssa/20030808-1.c,
	gcc.dg/tree-ssa/20030814-1.c, gcc.dg/tree-ssa/20030814-2.c,
	gcc.dg/tree-ssa/20030814-3.c, gcc.dg/tree-ssa/20030814-4.c,
	gcc.dg/tree-ssa/20030814-5.c, gcc.dg/tree-ssa/20030814-6.c,
	gcc.dg/tree-ssa/20030814-7.c, gcc.dg/tree-ssa/20030815-1.c,
	gcc.dg/tree-ssa/20030907-1.c, gcc.dg/tree-ssa/20030917-3.c,
	gcc.dg/tree-ssa/20030922-1.c, gcc.dg/tree-ssa/20031113-1.c,
	gcc.dg/tree-ssa/20040121-1.c, gcc.dg/tree-ssa/20040319-1.c,
	gcc.dg/tree-ssa/20040324-1.c, gcc.dg/tree-ssa/20040326-1.c,
	gcc.dg/tree-ssa/20040326-2.c, gcc.dg/tree-ssa/20040517-1.c,
	gcc.dg/tree-ssa/ssa-ccp-10.c, gcc.dg/tree-ssa/ssa-pre-1.c,
	gcc.dg/tree-ssa/tailcall-1.c, gcc.dg/tree-ssa/tailrecursion-5.c,
	gcc.dg/ultrasp3.c, gcc.dg/winline-7.c, gcc.misc-tests/bprob-1.c,
	gcc.misc-tests/bprob-2.c, gcc.misc-tests/gcov-3.c,
	gcc.misc-tests/gcov-4.c, gcc.misc-tests/gcov-4b.c,
	gcc.misc-tests/gcov-6.c, gcc.misc-tests/gcov-7.c,
	gcc.misc-tests/i386-pf-3dnow-1.c,
	gcc.misc-tests/i386-pf-athlon-1.c,
	gcc.misc-tests/i386-pf-none-1.c, gcc.misc-tests/i386-pf-sse-1.c,
	objc.dg/nested-func-1.m, objc.dg/special/unclaimed-category-1.m:
	Declare built-in functions used.
	* gcc.dg/torture/builtin-attr-1.c (nexttoward): Use FPTEST2ARG2.

From-SVN: r85465

37 files changed, 52 insertions, 5 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030703-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030703-1.c
index f5b3db3..44cf3d2 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030703-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030703-1.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
   
-
+extern void abort (void);
 extern int blah[];
 
 foo(int index)
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030703-2.c b/gcc/testsuite/gcc.dg/tree-ssa/20030703-2.c
index a73150a..d1251c1 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030703-2.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030703-2.c
@@ -1,6 +1,8 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
-                                                                                
+
+extern void abort (void);
+
 union tree_node;
 typedef union tree_node *tree;
 extern const char tree_code_type[];
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030708-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030708-1.c
index 65c8026..717c8af 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030708-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030708-1.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
+extern void abort (void);
 struct rtx_def;
 typedef struct rtx_def *rtx;
 enum rtx_code
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030709-3.c b/gcc/testsuite/gcc.dg/tree-ssa/20030709-3.c
index 98681c0..2bc21ca 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030709-3.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030709-3.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
   
+extern void abort (void);
 
 union tree_node;
 typedef union tree_node *tree;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030710-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030710-1.c
index 53e3d59..4b1d1812 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030710-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030710-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
 
+extern void abort (void);
 union tree_node;
 typedef union tree_node *tree;
 struct tree_vec
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030711-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030711-1.c
index eba207a..a1ef017 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030711-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030711-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
  
+extern void abort (void);
 
 union tree_node;
 typedef union tree_node *tree;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030729-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030729-1.c
index b4b1a81..8ac20d5 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030729-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030729-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
 
+extern void abort (void);
 union tree_node;
 typedef union tree_node *tree;
 
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030730-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030730-1.c
index 643b5e7..3dd95ea 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030730-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030730-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-dom3" } */
      
+extern void exit (int);
 extern void *ggc_alloc (__SIZE_TYPE__);
 typedef struct dw_attr_struct *dw_attr_ref;
 typedef struct dw_attr_struct
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030730-2.c b/gcc/testsuite/gcc.dg/tree-ssa/20030730-2.c
index 06b5710..7fd0c18 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030730-2.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030730-2.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-dom3" } */
      
+extern void exit (int);
 extern void *ggc_alloc (__SIZE_TYPE__);
 typedef struct dw_attr_struct *dw_attr_ref;
 typedef struct dw_attr_struct
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030731-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030731-1.c
index 82634da..c622c98 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030731-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030731-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
   
+extern void abort (void);
 
 struct rtx_def;
 typedef struct rtx_def *rtx;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030807-11.c b/gcc/testsuite/gcc.dg/tree-ssa/20030807-11.c
index 6296346..6df4702 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030807-11.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030807-11.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
 
+extern void abort (void);
 struct rtx_def;
 typedef struct rtx_def *rtx;
 struct rtx_def
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030807-2.c b/gcc/testsuite/gcc.dg/tree-ssa/20030807-2.c
index e9837d3..cd518eb 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030807-2.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030807-2.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
      
+extern void abort (void);
 
 oof ()
 {
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030807-5.c b/gcc/testsuite/gcc.dg/tree-ssa/20030807-5.c
index b530c84..49f3a99 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030807-5.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030807-5.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
-                                                                                
+
+extern void abort (void);
 struct rtx_def;
 typedef struct rtx_def *rtx;
 
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c b/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c
index 7f31578..f1e0d00 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030807-7.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-dom3" } */
   
- 
+extern void abort (void);
 
 union tree_node;
 typedef union tree_node *tree;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030808-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030808-1.c
index 08f8f15..11781f9 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030808-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030808-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-cddce" } */
       
+extern void abort (void);
 
 struct rtx_def;
 typedef struct rtx_def *rtx;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030814-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030814-1.c
index d165b19..da48d22 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030814-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030814-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
    
+extern void abort (void);
 
 com(int *blah)
 {
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030814-2.c b/gcc/testsuite/gcc.dg/tree-ssa/20030814-2.c
index a3f2ae6..5acc6e1 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030814-2.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030814-2.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
     
+extern void abort (void);
 
 void
 foo (int value)
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030814-3.c b/gcc/testsuite/gcc.dg/tree-ssa/20030814-3.c
index 2058c0c..bcebd07 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030814-3.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030814-3.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
     
+extern void abort (void);
 
 void
 foo (int value)
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030814-4.c b/gcc/testsuite/gcc.dg/tree-ssa/20030814-4.c
index 81711dd..7bdaaeb 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030814-4.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030814-4.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3 -fdump-tree-optimized" } */
     
+extern void abort (void);
 union tree_node;
 typedef union tree_node *tree;
 extern const char tree_code_type[];
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030814-5.c b/gcc/testsuite/gcc.dg/tree-ssa/20030814-5.c
index bab21a3..c34c2dc 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030814-5.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030814-5.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3 -fdump-tree-optimized" } */
     
+extern void abort (void);
 union tree_node;
 typedef union tree_node *tree;
 extern const char tree_code_type[];
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030814-6.c b/gcc/testsuite/gcc.dg/tree-ssa/20030814-6.c
index c16fda9..49b526c 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030814-6.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030814-6.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
 
+extern void abort (void);
 union tree_node;
 typedef union tree_node *tree;
 enum tree_code
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c b/gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c
index cbefbb3..440794d 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
 
+extern void abort (void);
 struct rtx_def;
 typedef struct rtx_def *rtx;
 struct rtvec_def;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030815-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030815-1.c
index 13a4917..ba0cf6b 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030815-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030815-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
 
+extern void abort (void);
 typedef unsigned int size_t;
 struct rtx_def;
 typedef struct rtx_def *rtx;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030907-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030907-1.c
index 3bc5557..6fb37c3 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030907-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030907-1.c
@@ -6,6 +6,9 @@
 /* { dg-do compile } */
 /* { dg-options "-O -fdump-tree-optimized" } */
 
+extern void abort (void);
+extern void exit (int);
+
 int main() 
 { 
    int i; 
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030917-3.c b/gcc/testsuite/gcc.dg/tree-ssa/20030917-3.c
index f7fabe5..478933b 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030917-3.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030917-3.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fno-tree-dominator-opts -fdump-tree-ccp" } */
-                                                                                
+
+extern int printf (const char *, ...); 
 
 main ()
 {
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030922-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20030922-1.c
index 8876071..f216125 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20030922-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20030922-1.c
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-dom3" } */
   
+extern void abort (void);
 
 union tree_node;
 typedef union tree_node *tree;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20031113-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20031113-1.c
index a114379..865915f 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20031113-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20031113-1.c
@@ -7,6 +7,8 @@
 /* { dg-do compile } */
 /* { dg-options "-O1" } */ 
 
+extern __SIZE_TYPE__ strlen (const char *);
+
 int i; 
 
 static void 
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040121-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040121-1.c
index 6987e17..6225bcd 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20040121-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040121-1.c
@@ -4,6 +4,7 @@
     not boolean */
 /* { dg-options "-O3" } */
 /* { dg-do run } */
+extern void abort (void);
 char *foo(char *p, char *q) {
     int x = (p !=0) + (q != 0);
     if (x==2)  return "a"; else return 0;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040319-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040319-1.c
index 571c2ae..d6e5449 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20040319-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040319-1.c
@@ -6,6 +6,8 @@
    were not being processed by the type based alias analyzer,
    resulting in optimizations removing a non-redundant load.  */
 
+extern void abort (void);
+
 struct bar { int count;  int *arr;};
 
 void foo (struct bar *b)
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040324-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040324-1.c
index 15eb0d6..be718ab 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20040324-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040324-1.c
@@ -10,6 +10,9 @@
    Therefore, DOM did not see that i was modified between the two ifs
    and optimized away the second if.  */
 
+extern void abort (void);
+extern void exit (int);
+
 struct x
 {
   unsigned b:1;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c
index c29655a..4be6049 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c
@@ -4,6 +4,9 @@
    a .GLOBAL_VAR to model the side effects of functions.  Without it,
    we were moving the call to Faref() inside the second call to
    Faset().  */
+extern void abort (void);
+extern void exit (int);
+
 main ()
 {
   int table, c, elt;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040326-2.c b/gcc/testsuite/gcc.dg/tree-ssa/20040326-2.c
index a3e16ad..b1bed75 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20040326-2.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040326-2.c
@@ -4,6 +4,7 @@
 /* Gimplification problem exposed by zsh.  All the side-effects in
    function arguments and in the called expression should happen
    before the actual function call.  */
+extern void abort (void);
 int A;
 
 typedef void (*fnptr) (void);
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040517-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040517-1.c
index d3d0100..5f99be2 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/20040517-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040517-1.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O1 -fdump-tree-ssa-vops" } */
+extern void abort (void);
 int a; 
  
 extern void __attribute__ ((malloc)) *foo ();
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-10.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-10.c
index 091703a..b5e702c 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-10.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-10.c
@@ -5,6 +5,8 @@
    fail to terminate when there is a nontrivial cycle in the corresponding
    ssa graph.  */
 
+extern __SIZE_TYPE__ strlen (const char *);
+
 void foo(int i)
 {
   char *s = "abcde";
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-1.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-1.c
index d3c9d421..ca1b81c 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-1.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */ 
 /* { dg-options "-O2 -fdump-tree-pre-stats" } */
+extern int printf (const char *, ...);
 int main(int argc, char **argv)
 {
 	int a;
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c
index c2a8594..3390152 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-tailc-details" } */
+extern void *alloca (__SIZE_TYPE__);
 int q(int a);
 int *v;
 int
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/tailrecursion-5.c b/gcc/testsuite/gcc.dg/tree-ssa/tailrecursion-5.c
index 2940a50..d0d4f3a 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/tailrecursion-5.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/tailrecursion-5.c
@@ -1,6 +1,9 @@
 /* { dg-do run } */
 /* { dg-options "-O1 -fdump-tree-optimized" } */
 
+extern void abort (void);
+extern void exit (int);
+
 int sum (int n)
 {
   if (n == 0)