re PR preprocessor/57824 (Raw string literals not handled correctly in macro…

re PR preprocessor/57824 (Raw string literals not handled correctly in macro arguments or deferred pragmas)

	PR preprocessor/57824
	* lex.c (lex_raw_string): Allow reading new-lines if
	in_deferred_pragma or if parsing_args and there is still
	data in the current buffer.

	* c-c++-common/raw-string-17.c: New test.
	* c-c++-common/gomp/pr57824.c: New test.

From-SVN: r200879

gcc/testsuite/ChangeLog

+2013-07-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/57824
+	* c-c++-common/raw-string-17.c: New test.
+	* c-c++-common/gomp/pr57824.c: New test.
+
 2013-07-10  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/57869

gcc/testsuite/c-c++-common/gomp/pr57824.c

+/* PR preprocessor/57824 */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99 -fopenmp" { target c } } */
+/* { dg-options "-std=c++11 -fopenmp" { target c++ } } */
+
+void bar ();
+
+void foo ()
+{
+#pragma omp parallel num_threads(sizeof R"(
+abc
+)")
+  bar ();
+}

gcc/testsuite/c-c++-common/raw-string-17.c

+/* PR preprocessor/57824 */
+/* { dg-do run } */
+/* { dg-options "-std=gnu99" { target c } } */
+/* { dg-options "-std=c++11" { target c++ } } */
+
+#define S(s) s
+#define T(s) s "\n"
+
+const char x[] = R"(
+abc
+)";
+const char y[] = S(R"(
+abc
+)");
+const char z[] = "\nabc\n";
+const char w[] = T(R"(
+abc)");
+
+int
+main ()
+{
+  if (sizeof x != sizeof y
+      || sizeof x != sizeof z
+      || sizeof x != sizeof w
+      || __builtin_memcmp (x, y, sizeof x)
+      || __builtin_memcmp (x, z, sizeof x)
+      || __builtin_memcmp (x, w, sizeof x))
+    __builtin_abort ();
+  return 0;
+}

libcpp/ChangeLog

 2013-07-10  Jakub Jelinek  <jakub@redhat.com>
 
+	PR preprocessor/57824
+	* lex.c (lex_raw_string): Allow reading new-lines if
+	in_deferred_pragma or if parsing_args and there is still
+	data in the current buffer.
+
 	* include/cpplib.h (cpp_token_val_index): Change parameter type to
 	const cpp_token *.
 	* lex.c (cpp_token_val_index): Likewise.

libcpp/lex.c

@@ -1543,8 +1543,8 @@ lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base,
       else if (c == '\n')
 	{
 	  if (pfile->state.in_directive
-	      || pfile->state.parsing_args
-	      || pfile->state.in_deferred_pragma)
+	      || (pfile->state.parsing_args
+		  && pfile->buffer->next_line >= pfile->buffer->rlimit))
 	    {
 	      cur--;
 	      type = CPP_OTHER;