[gcc] Make GCC complain if setjmp/longjmp builtins are encountered.

gcc/gcc/testsuite/gcc.c-torture/execute/builtins/builtins.exp

Index: gcc/gcc/testsuite/gcc.c-torture/execute/builtins/builtins.exp
diff --git a/gcc/gcc/testsuite/gcc.c-torture/execute/builtins/builtins.exp b/gcc/gcc/testsuite/gcc.c-torture/execute/builtins/builtins.exp
index e82d2fddfd0c26c2c71419c7e81986571684c933..e30bab718820527fc3db1d350f555623cda91685 100644
--- a/gcc/gcc/testsuite/gcc.c-torture/execute/builtins/builtins.exp
+++ b/gcc/gcc/testsuite/gcc.c-torture/execute/builtins/builtins.exp
@@ -24,6 +24,10 @@ if [istarget "powerpc-*-darwin*"] {
    lappend additional_flags "-Wl,-multiply_defined,suppress"
 }
 
+if [istarget "*-*-nacl*"] {
+    lappend additional_flags "-D__builtin_longjmp=longjmp" "-D__builtin_setjmp=setjmp"
+}
+
 foreach src [lsort [find $srcdir/$subdir *.c]] {
     if {![string match *-lib.c $src] && [runtest_file_p $runtests $src]} {
 	c-torture-execute [list $src \