decl.c (start_decl): Improve two error_at locations.

/cp
2019-01-07  Paolo Carlini  <paolo.carlini@oracle.com>

	* decl.c (start_decl): Improve two error_at locations.
	(expand_static_init): Likewise.

/testsuite
2019-01-07  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/diagnostic/constexpr1.C: New.
	* g++.dg/diagnostic/thread1.C: Likewise.

From-SVN: r267662

gcc/cp/ChangeLog

+2019-01-07  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* decl.c (start_decl): Improve two error_at locations.
+	(expand_static_init): Likewise.
+
 2019-01-07  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/88741 - wrong error with initializer-string.

gcc/cp/decl.c

@@ -5235,10 +5235,12 @@ start_decl (const cp_declarator *declarator,
     {
       bool ok = false;
       if (CP_DECL_THREAD_LOCAL_P (decl))
-	error ("%qD declared %<thread_local%> in %<constexpr%> function",
+	error_at (DECL_SOURCE_LOCATION (decl),
+		  "%qD declared %<thread_local%> in %<constexpr%> function",
 		  decl);
       else if (TREE_STATIC (decl))
-	error ("%qD declared %<static%> in %<constexpr%> function", decl);
+	error_at (DECL_SOURCE_LOCATION (decl),
+		  "%qD declared %<static%> in %<constexpr%> function", decl);
       else
 	ok = true;
       if (!ok)
@@ -8253,18 +8255,18 @@ expand_static_init (tree decl, tree init)
   if (CP_DECL_THREAD_LOCAL_P (decl) && DECL_GNU_TLS_P (decl)
       && !DECL_FUNCTION_SCOPE_P (decl))
     {
+      location_t dloc = DECL_SOURCE_LOCATION (decl);
       if (init)
-	error ("non-local variable %qD declared %<__thread%> "
+	error_at (dloc, "non-local variable %qD declared %<__thread%> "
 		  "needs dynamic initialization", decl);
       else
-	error ("non-local variable %qD declared %<__thread%> "
+	error_at (dloc, "non-local variable %qD declared %<__thread%> "
 		  "has a non-trivial destructor", decl);
       static bool informed;
       if (!informed)
 	{
-	  inform (DECL_SOURCE_LOCATION (decl),
-		  "C++11 %<thread_local%> allows dynamic initialization "
-		  "and destruction");
+	  inform (dloc, "C++11 %<thread_local%> allows dynamic "
+		  "initialization and destruction");
 	  informed = true;
 	}
       return;

gcc/testsuite/ChangeLog

+2019-01-07  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* g++.dg/diagnostic/constexpr1.C: New.
+	* g++.dg/diagnostic/thread1.C: Likewise.
+
 2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
 	Harald Anlauf <anlauf@gmx.de>
 	Tobias Burnus <burnus@gcc.gnu.org>

gcc/testsuite/g++.dg/diagnostic/constexpr1.C

+// { dg-do compile { target c++11 } }
+
+constexpr int foo() { thread_local int i __attribute__((unused)) {}; return 1; }  // { dg-error "40:.i. declared .thread_local." }
+
+constexpr int bar() { static int i __attribute__((unused)) {}; return 1; }  // { dg-error "34:.i. declared .static." }

gcc/testsuite/g++.dg/diagnostic/thread1.C

+// { dg-do compile { target c++11 } }
+
+int foo();
+
+__thread int i __attribute__((unused)) = foo();  // { dg-error "14:non-local variable .i. declared .__thread. needs" }
+
+struct S
+{
+  constexpr S() {}
+  ~S();
+};
+
+__thread S s __attribute__((unused));  // { dg-error "12:non-local variable .s. declared .__thread. has" }