Hi,

The recent libsanitizer change seems to have had a corrupt
chunk, that caused it to apply a change part way through the
SUBTARGET_INIT_BUILTINS macro, leading to a bootstrap fail
in stage1.

tested on x86_64-darwin16,
applied to master,
thanks
Iain

gcc/ChangeLog:

2020-05-01  Iain Sandoe  <i...@sandoe.co.uk>

        * config/i386/darwin.h: Repair SUBTARGET_INIT_BUILTINS.
        Override SUBTARGET_SHADOW_OFFSET macro.
---
 gcc/ChangeLog            | 5 +++++
 gcc/config/i386/darwin.h | 7 +++----
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/gcc/config/i386/darwin.h b/gcc/config/i386/darwin.h
index cff9a8c6b01..fec934aae69 100644
--- a/gcc/config/i386/darwin.h
+++ b/gcc/config/i386/darwin.h
@@ -347,12 +347,11 @@ along with GCC; see the file COPYING3.  If not see
 #define SUBTARGET_INIT_BUILTINS                                                
\
   do {                                                                 \
     ix86_builtins[(int) IX86_BUILTIN_CFSTRING]                         \
+      = darwin_init_cfstring_builtins ((unsigned) (IX86_BUILTIN_CFSTRING)); \
+    darwin_rename_builtins ();                                         \
+  } while(0)
 
 /* Define the shadow offset for asan.  */
 #undef SUBTARGET_SHADOW_OFFSET
 #define SUBTARGET_SHADOW_OFFSET        \
   (TARGET_LP64 ? HOST_WIDE_INT_1 << 44 : HOST_WIDE_INT_1 << 29)
-
-      = darwin_init_cfstring_builtins ((unsigned) (IX86_BUILTIN_CFSTRING)); \
-    darwin_rename_builtins ();                                         \
-  } while(0)
-- 
2.24.1


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