[gcc(refs/users/meissner/heads/dmf007)] Revert patches

[Michael Meissner <meissner@gcc.gnu.org>]

https://gcc.gnu.org/g:b79fcb90080d651463489b9024d8dbf2a68bc435

commit b79fcb90080d651463489b9024d8dbf2a68bc435
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Wed Feb 1 12:21:47 2023 -0500

    Revert patches

Diff:
---
 gcc/hwint.h     | 1 -
 gcc/tree-core.h | 4 ++--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/gcc/hwint.h b/gcc/hwint.h
index ba92efbfc25..e31aa006fa4 100644
--- a/gcc/hwint.h
+++ b/gcc/hwint.h
@@ -277,7 +277,6 @@ ctz_or_zero (unsigned HOST_WIDE_INT x)
 static inline HOST_WIDE_INT
 sext_hwi (HOST_WIDE_INT src, unsigned int prec)
 {
-  gcc_checking_assert (prec != 0);
   if (prec == HOST_BITS_PER_WIDE_INT)
     return src;
   else
diff --git a/gcc/tree-core.h b/gcc/tree-core.h
index e27eb1eb87f..8124a1328d4 100644
--- a/gcc/tree-core.h
+++ b/gcc/tree-core.h
@@ -1686,12 +1686,12 @@ struct GTY(()) tree_type_common {
   tree attributes;
   unsigned int uid;
 
-  unsigned int precision : 11;
+  unsigned int precision : 10;
   unsigned no_force_blk_flag : 1;
   unsigned needs_constructing_flag : 1;
   unsigned transparent_aggr_flag : 1;
   unsigned restrict_flag : 1;
-  unsigned contains_placeholder_bits : 1;
+  unsigned contains_placeholder_bits : 2;
 
   ENUM_BITFIELD(machine_mode) mode : 8;