allow auto_bitmap to use other bitmap obstacks

gcc/ChangeLog:

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* bitmap.h (class auto_bitmap): New constructor taking
	bitmap_obstack * argument.

From-SVN: r248018

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1edc553523f0c282929c8414d1cc990517e59a74..9cc3d518d176b72789d7666fabcba567c9ab2010 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
+       * bitmap.h (class auto_bitmap): New constructor taking
+       bitmap_obstack * argument.
+
 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 
        * bitmap.h (class auto_bitmap): Change type of m_bits to

diff --git a/gcc/bitmap.h b/gcc/bitmap.h
index 99a954445833e57b7e1a9af4ab5083fe5f14bf46..ad5398409d6d6c7c0970b61520dcd5f25567d4ae 100644 (file)
--- a/gcc/bitmap.h
+++ b/gcc/bitmap.h
@@ -807,6 +807,7 @@ class auto_bitmap
 {
  public:
   auto_bitmap () { bitmap_initialize (&m_bits, &bitmap_default_obstack); }
+  explicit auto_bitmap (bitmap_obstack *o) { bitmap_initialize (&m_bits, o); }
   ~auto_bitmap () { bitmap_clear (&m_bits); }
   // Allow calling bitmap functions on our bitmap.
   operator bitmap () { return &m_bits; }