3 files changed, 17 insertions, 1 deletions
diff --git a/gcc/testsuite/gcc.dg/pch/inline-4.c b/gcc/testsuite/gcc.dg/pch/inline-4.c
index e4db473f3cf..60e35aa6266 100644
--- a/gcc/testsuite/gcc.dg/pch/inline-4.c
+++ b/gcc/testsuite/gcc.dg/pch/inline-4.c
@@ -1,4 +1,5 @@
 #include "inline-4.h"
+extern int printf (const char *, ...);
 int main(void) {
   printf (getstring());
   return 0;
diff --git a/gcc/testsuite/gcc.dg/pch/pch.exp b/gcc/testsuite/gcc.dg/pch/pch.exp
index 8ed26ba7ef7..79fd9e77139 100644
--- a/gcc/testsuite/gcc.dg/pch/pch.exp
+++ b/gcc/testsuite/gcc.dg/pch/pch.exp
@@ -37,6 +37,21 @@ foreach test [lsort [glob -nocomplain $srcdir/$subdir/*.c]] {
     dg-pch $subdir $test [concat [list {-O0 -g}] $torture_without_loops] ".h"
 }
 
+set test "largefile.c"
+set testh "largefile.hs"
+set f [open $test w]
+set v 0
+for { set v 0 } { $v < 10000 } { incr v } {
+    puts $f "#define MACRO_${v} \"1234567890\" \"$v\""
+}
+puts $f "#include \"largefile.h\""
+close $f
+set f [open $testh w]
+close $f
+dg-pch $subdir $test [concat [list {-O0 -g}] $torture_without_loops] ".h"    
+file delete $test
+file delete $testh
+
 set dg-do-what-default "$old_dg_do_what_default"
 
 # All done.
diff --git a/gcc/testsuite/gcc.dg/pch/warn-1.c b/gcc/testsuite/gcc.dg/pch/warn-1.c
index 779577dd8ae..6e895818c63 100644
--- a/gcc/testsuite/gcc.dg/pch/warn-1.c
+++ b/gcc/testsuite/gcc.dg/pch/warn-1.c
@@ -2,7 +2,7 @@
 
 #define DEFINED_VALUE 3
 
-#include "warn-1.h"/* { dg-error "not used because `DEFINED_VALUE' is defined|No such file" } */
+#include "warn-1.h"/* { dg-error "not used because `DEFINED_VALUE' is defined|No such file|they were invalid" } */
 
 int main(void) 
 {