1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree.h b/gcc/tree.h
index acbfc93..34394f1 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1952,7 +1952,11 @@ struct tree_binfo GTY (())
 #define DECL_SOURCE_LOCATION(NODE) (DECL_CHECK (NODE)->decl.locus)
 #define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
 #define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
-#ifdef USE_MAPPED_LOCATION
+#if 0
+/* Should be: #ifdef USE_MAPPED_LOCATION
+   However, there appears to be a jc1 bug that this would expose.
+   (It prevents bookstrapping because dwarf2out tries to emit a
+   non-found class.) FIXME. */
 #define DECL_IS_BUILTIN(DECL) \
   (DECL_SOURCE_LOCATION (DECL) <= BUILTINS_LOCATION)
 #else