From: Richard Biener <rguenther@suse.de>
Date: Fri, 5 Apr 2024 09:02:46 +0000 (+0200)
Subject: Add default bitmap obstack allocation check
X-Git-Tag: basepoints/gcc-16~9423
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a2e9032deaf9dbcff329d650f61e36c6a5aa1fc4;p=thirdparty%2Fgcc.git

Add default bitmap obstack allocation check

The following adds a check that the global bitmap obstack is initialized
when allocating a bitmap from it.

	* bitmap.cc (bitmap_alloc): When using the global bitmap obstack
	assert that is initialized.
---

diff --git a/gcc/bitmap.cc b/gcc/bitmap.cc
index 459e32c1ad1..0905cde696f 100644
--- a/gcc/bitmap.cc
+++ b/gcc/bitmap.cc
@@ -781,7 +781,10 @@ bitmap_alloc (bitmap_obstack *bit_obstack MEM_STAT_DECL)
   bitmap map;
 
   if (!bit_obstack)
-    bit_obstack = &bitmap_default_obstack;
+    {
+      gcc_assert (bitmap_default_obstack_depth > 0);
+      bit_obstack = &bitmap_default_obstack;
+    }
   map = bit_obstack->heads;
   if (map)
     bit_obstack->heads = (class bitmap_head *) map->first;