c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.

gcc/c-family/ChangeLog:

	* c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.
	* c.opt (-Wformat-diag): Remove a spurious period.

gcc/testsuite/ChangeLog:

	* gcc.dg/weak/weak-19.c: New test.

From-SVN: r271965

gcc/c-family/ChangeLog

+2019-06-05  Martin Sebor  <msebor@redhat.com>
+
+	* c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.
+	* c.opt (-Wformat-diag): Remove a spurious period.
+
 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/90628

gcc/c-family/c-pragma.c

@@ -361,7 +361,7 @@ handle_pragma_weak (cpp_reader * ARG_UNUSED (dummy))
   if (t == CPP_EQ)
     {
       if (pragma_lex (&value) != CPP_NAME)
-	GCC_BAD ("%<malformed #pragma weak%>, ignored");
+	GCC_BAD ("malformed %<#pragma weak%>, ignored");
       t = pragma_lex (&x);
     }
   if (t != CPP_EOF)

gcc/c-family/c.opt

@@ -564,7 +564,7 @@ Warn about format strings that contain NUL bytes.
 
 Wformat-diag
 C ObjC C++ ObjC++ Var(warn_format_diag) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0)
-Warn about GCC format strings with strings unsuitable for diagnostics..
+Warn about GCC format strings with strings unsuitable for diagnostics.
 
 Wformat-extra-args
 C ObjC C++ ObjC++ Var(warn_format_extra_args) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 1, 0)

gcc/testsuite/ChangeLog

+2019-06-05  Martin Sebor  <msebor@redhat.com>
+
+	* gcc.dg/weak/weak-19.c: New test.
+
 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/specs/discr6.ads: New test.

gcc/testsuite/gcc.dg/weak/weak-19.c

+/* { dg-do compile }
+   { dg-require-weak "" } */
+
+/* Verify that the following invalid pragmas are diagnosed.  */
+
+#pragma weak foo = 1   /* { dg-warning "malformed '#pragma weak'" } */
+#pragma weak foo = +   /* { dg-warning "malformed '#pragma weak'" } */
+#pragma weak foo = ?   /* { dg-warning "malformed '#pragma weak'" } */