PR libstdc++/79433 no #error for including headers with wrong -std

Backport from mainline
2017-09-12  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79433
	* doc/xml/manual/status_cxx2017.xml: Update feature-test macros.
	* doc/html/*: Regenerate.
	* include/Makefile.am: Remove <bits/c++17_warning.h>.
	* include/Makefile.in: Regenerate.
	* include/bits/c++17_warning.h: Remove.
	* include/bits/string_view.tcc: Do not include <bits/c++17_warning.h>
	for pre-C++17 modes.
	* include/std/any: Likewise.
	(__cpp_lib_any): Define.
	* include/std/mutex (__cpp_lib_scoped_lock): Adjust value as per new
	SD-6 draft.
	* include/std/numeric (__cpp_lib_gcd_lcm): Define as per new SD-6
	draft.
	* include/std/optional: Do not include <bits/c++17_warning.h>.
	(__cpp_lib_optional): Define.
	* include/std/shared_mutex: Do not include <bits/c++14_warning.h>.
	* include/std/string_view: Do not include <bits/c++17_warning.h>.
	(__cpp_lib_string_view): Define.
	* include/std/variant: Do not include <bits/c++17_warning.h>.
	(__cpp_lib_variant): Define.
	* testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error line
	numbers.
	* testsuite/26_numerics/gcd/1.cc: Test for __cpp_lib_gcd_lcm.
	* testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line
	numbers.
	* testsuite/26_numerics/lcm/1.cc: Test for __cpp_lib_gcd_lcm.
	* testsuite/26_numerics/lcm/lcm_neg.cc: Adjust dg-error line
	numbers.
	* testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Adjust
	expected value of __cpp_lib_scoped_lock.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@253943 138bc75d-0d04-0410-961f-82ee72b054a4

6 files changed, 16 insertions, 16 deletions

diff --git a/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc b/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc
index 87907f96d137..7af390386925 100644
--- a/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc
@@ -37,8 +37,8 @@ int main()
     std::optional<std::unique_ptr<int>> oup2 = new int;  // { dg-error "conversion" }
     struct U { explicit U(std::in_place_t); };
     std::optional<U> ou(std::in_place); // { dg-error "no matching" }
-    // { dg-error "no type" "" { target { *-*-* } } 488 }
-    // { dg-error "no type" "" { target { *-*-* } } 498 }
-    // { dg-error "no type" "" { target { *-*-* } } 555 }
+    // { dg-error "no type" "" { target { *-*-* } } 490 }
+    // { dg-error "no type" "" { target { *-*-* } } 500 }
+    // { dg-error "no type" "" { target { *-*-* } } 557 }
   }
 }
diff --git a/libstdc++-v3/testsuite/26_numerics/gcd/1.cc b/libstdc++-v3/testsuite/26_numerics/gcd/1.cc
index 17e97a7e0ae5..0f0b7b85b4e0 100644
--- a/libstdc++-v3/testsuite/26_numerics/gcd/1.cc
+++ b/libstdc++-v3/testsuite/26_numerics/gcd/1.cc
@@ -20,9 +20,9 @@
 
 #include <numeric>
 
-#ifndef __cpp_lib_gcd
+#ifndef __cpp_lib_gcd_lcm
 # error "Feature-test macro for gcd missing"
-#elif __cpp_lib_gcd != 201606
+#elif __cpp_lib_gcd_lcm != 201606
 # error "Feature-test macro for gcd has wrong value"
 #endif
 
diff --git a/libstdc++-v3/testsuite/26_numerics/gcd/gcd_neg.cc b/libstdc++-v3/testsuite/26_numerics/gcd/gcd_neg.cc
index d88f145d7545..0fda1aad9060 100644
--- a/libstdc++-v3/testsuite/26_numerics/gcd/gcd_neg.cc
+++ b/libstdc++-v3/testsuite/26_numerics/gcd/gcd_neg.cc
@@ -31,9 +31,9 @@ test01()
   std::gcd(0.1, 0.1);   // { dg-error "from here" }
 }
 
-// { dg-error "integers" "" { target *-*-* } 134 }
-// { dg-error "integers" "" { target *-*-* } 135 }
-// { dg-error "not bools" "" { target *-*-* } 136 }
-// { dg-error "not bools" "" { target *-*-* } 137 }
+// { dg-error "integers" "" { target *-*-* } 138 }
+// { dg-error "integers" "" { target *-*-* } 139 }
+// { dg-error "not bools" "" { target *-*-* } 140 }
+// { dg-error "not bools" "" { target *-*-* } 141 }
 // { dg-prune-output "deleted function" }
 // { dg-prune-output "invalid operands" }
diff --git a/libstdc++-v3/testsuite/26_numerics/lcm/1.cc b/libstdc++-v3/testsuite/26_numerics/lcm/1.cc
index 81cb91437ba2..367f0a3e0e3f 100644
--- a/libstdc++-v3/testsuite/26_numerics/lcm/1.cc
+++ b/libstdc++-v3/testsuite/26_numerics/lcm/1.cc
@@ -20,9 +20,9 @@
 
 #include <numeric>
 
-#ifndef __cpp_lib_lcm
+#ifndef __cpp_lib_gcd_lcm
 # error "Feature-test macro for lcm missing"
-#elif __cpp_lib_lcm != 201606
+#elif __cpp_lib_gcd_lcm != 201606
 # error "Feature-test macro for lcm has wrong value"
 #endif
 
diff --git a/libstdc++-v3/testsuite/26_numerics/lcm/lcm_neg.cc b/libstdc++-v3/testsuite/26_numerics/lcm/lcm_neg.cc
index f2d828945314..b1c42803f422 100644
--- a/libstdc++-v3/testsuite/26_numerics/lcm/lcm_neg.cc
+++ b/libstdc++-v3/testsuite/26_numerics/lcm/lcm_neg.cc
@@ -31,9 +31,9 @@ test01()
   std::lcm(0.1, 0.1);   // { dg-error "from here" }
 }
 
-// { dg-error "integers" "" { target *-*-* } 147 }
-// { dg-error "integers" "" { target *-*-* } 148 }
-// { dg-error "not bools" "" { target *-*-* } 149 }
-// { dg-error "not bools" "" { target *-*-* } 150 }
+// { dg-error "integers" "" { target *-*-* } 150 }
+// { dg-error "integers" "" { target *-*-* } 151 }
+// { dg-error "not bools" "" { target *-*-* } 152 }
+// { dg-error "not bools" "" { target *-*-* } 153 }
 // { dg-prune-output "deleted function" }
 // { dg-prune-output "invalid operands" }
diff --git a/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc b/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc
index 0a8903ebaab4..b8a09042094a 100644
--- a/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/30_threads/scoped_lock/requirements/typedefs.cc
@@ -27,7 +27,7 @@
 
 #ifndef __cpp_lib_scoped_lock
 # error "Feature-test macro for scoped_lock missing"
-#elif __cpp_lib_scoped_lock != 201707
+#elif __cpp_lib_scoped_lock != 201703
 # error "Feature-test macro for scoped_lock has wrong value"
 #endif