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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200879 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c32ac84..cbe3ae0 100644 (file)
--- 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 (file)
index 0000000..a303da2
--- /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 (file)
index 0000000..30df020
--- /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 195d728..9213232 100644 (file)
--- 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 84e2af6..fc89baf 100644 (file)
--- 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;