re PR c++/49813 ([C++0x] sinh vs asinh vs constexpr)

	PR c++/49813
	* c-opts.c (set_std_cxx0x): Set flag_isoc94 and flag_isoc99.
	* c-pretty-print.c (pp_c_cv_qualifiers): Check c_dialect_cxx as well
	as flag_isoc99 for 'restrict'.
	(pp_c_specifier_qualifier_list): Likewise for _Complex.

From-SVN: r176635

gcc/c-family/ChangeLog

+2011-07-22  Jason Merrill  <jason@redhat.com>
+
+	PR c++/49813
+	* c-opts.c (set_std_cxx0x): Set flag_isoc94 and flag_isoc99.
+	* c-pretty-print.c (pp_c_cv_qualifiers): Check c_dialect_cxx as well
+	as flag_isoc99 for 'restrict'.
+	(pp_c_specifier_qualifier_list): Likewise for _Complex.
+
 2011-07-21  Ian Lance Taylor  <iant@google.com>
 
 	PR middle-end/49705

gcc/c-family/c-opts.c

@@ -1488,6 +1488,9 @@ set_std_cxx0x (int iso)
   flag_no_gnu_keywords = iso;
   flag_no_nonansi_builtin = iso;
   flag_iso = iso;
+  /* C++0x includes the C99 standard library.  */
+  flag_isoc94 = 1;
+  flag_isoc99 = 1;
   cxx_dialect = cxx0x;
 }
 

gcc/c-family/c-pretty-print.c

@@ -205,7 +205,8 @@ pp_c_cv_qualifiers (c_pretty_printer *pp, int qualifiers, bool func_type)
     {
       if (previous)
         pp_c_whitespace (pp);
-      pp_c_ws_string (pp, flag_isoc99 ? "restrict" : "__restrict__");
+      pp_c_ws_string (pp, (flag_isoc99 && !c_dialect_cxx ()
+			   ? "restrict" : "__restrict__"));
     }
 }
 
@@ -476,7 +477,8 @@ pp_c_specifier_qualifier_list (c_pretty_printer *pp, tree t)
     case VECTOR_TYPE:
     case COMPLEX_TYPE:
       if (code == COMPLEX_TYPE)
-	pp_c_ws_string (pp, flag_isoc99 ? "_Complex" : "__complex__");
+	pp_c_ws_string (pp, (flag_isoc99 && !c_dialect_cxx ()
+			     ? "_Complex" : "__complex__"));
       else if (code == VECTOR_TYPE)
 	{
 	  pp_c_ws_string (pp, "__vector");

gcc/testsuite/ChangeLog

+2011-07-22  Jason Merrill  <jason@redhat.com>
+
+	PR c++/49813
+	* g++.dg/opt/builtins2.C: New.
+	* g++.dg/other/error27.C: Don't rely on __builtin.
+
 2011-07-22  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* gcc/testsuite/gcc.target/i386/avx-vzeroupper-16.c: Only run

gcc/testsuite/g++.dg/opt/builtins2.C

+// PR c++/49813
+// We should handle asinh as a built-in in C++0x mode, even when strict.
+// { dg-options "-std=c++0x" }
+// { dg-final { scan-assembler-not "asinh" } }
+
+#include <math.h>
+
+int main()
+{
+  double das = asinh(1.0);
+}

gcc/testsuite/g++.dg/other/error27.C

@@ -4,10 +4,10 @@
 
 void foo (double x, double y)
 {
-  __builtin_isgreater(x, y)();		// { dg-error "__builtin_\[^\n\]*cannot be used as a function" }
-  __builtin_isless(x, y)();		// { dg-error "__builtin_\[^\n\]*cannot be used as a function" }
-  __builtin_isgreaterequal(x, y)();	// { dg-error "__builtin_\[^\n\]*cannot be used as a function" }
-  __builtin_islessequal(x, y)();	// { dg-error "__builtin_\[^\n\]*cannot be used as a function" }
-  __builtin_isunordered(x, y)();	// { dg-error "__builtin_\[^\n\]*cannot be used as a function" }
-  __builtin_islessgreater(x, y)();	// { dg-error "__builtin_\[^\n\]*cannot be used as a function" }
+  __builtin_isgreater(x, y)();		// { dg-error "cannot be used as a function" }
+  __builtin_isless(x, y)();		// { dg-error "cannot be used as a function" }
+  __builtin_isgreaterequal(x, y)();	// { dg-error "cannot be used as a function" }
+  __builtin_islessequal(x, y)();	// { dg-error "cannot be used as a function" }
+  __builtin_isunordered(x, y)();	// { dg-error "cannot be used as a function" }
+  __builtin_islessgreater(x, y)();	// { dg-error "cannot be used as a function" }
 }