[gcc r11-6915] dwarf2asm: Fix bootstrap on powerpc*-*-* [PR98839]

[gcc r11-6915] dwarf2asm: Fix bootstrap on powerpc*-*-* [PR98839]

[Jakub Jelinek]

https://gcc.gnu.org/g:6e44c09b2df7282e0b519f241cf54438ab183b5e

commit r11-6915-g6e44c09b2df7282e0b519f241cf54438ab183b5e
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Tue Jan 26 18:13:07 2021 +0100

    dwarf2asm: Fix bootstrap on powerpc*-*-* [PR98839]
    
    My recent dwarf2asm.c patch broke powerpc*-*-* bootstrap, while most target
    define POINTER_SIZE to (cond ? cst1 : cst2) or constant, rs6000 defines
    it to a variable, and the arbitrarily chosen type of that variable determines
    whether we get warnings on comparison of that against signed or unsigned
    ints.
    
    Fixed by adding a cast.
    
    2021-01-26  Jakub Jelinek  <jakub@redhat.com>
    
            PR bootstrap/98839
            * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
            in comparison.

Diff:
---
 gcc/dwarf2asm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/dwarf2asm.c b/gcc/dwarf2asm.c
index 8e08d4d24d8..161c0ad3825 100644
--- a/gcc/dwarf2asm.c
+++ b/gcc/dwarf2asm.c
@@ -46,7 +46,7 @@ along with GCC; see the file COPYING3.  If not see
 void
 dw2_assemble_integer (int size, rtx x)
 {
-  if (size == 2 * DWARF2_ADDR_SIZE && !CONST_SCALAR_INT_P (x))
+  if (size == 2 * (int) DWARF2_ADDR_SIZE && !CONST_SCALAR_INT_P (x))
     {
       /* On 32-bit targets with -gdwarf64, DImode values with
 	 relocations usually result in assembler errors.  Assume