diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c32ac8452b2..cbe3ae02b1b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+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
diff --git a/gcc/testsuite/c-c++-common/gomp/pr57824.c b/gcc/testsuite/c-c++-common/gomp/pr57824.c
new file mode 100644
index 00000000000..a303da24c6b
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/gomp/pr57824.c
@@ -0,0 +1,14 @@
+/* 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 ();
+}
diff --git a/gcc/testsuite/c-c++-common/raw-string-17.c b/gcc/testsuite/c-c++-common/raw-string-17.c
new file mode 100644
index 00000000000..30df020082e
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/raw-string-17.c
@@ -0,0 +1,30 @@
+/* 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;
+}
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 195d728440c..9213232aa98 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,5 +1,10 @@
 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.
diff --git a/libcpp/lex.c b/libcpp/lex.c
index 84e2af695d1..fc89bafd81b 100644
--- a/libcpp/lex.c
+++ b/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;