[committed] NDS32/BFD: Correct an aliasing error in `nds32_elf_check_relocs'
Maciej W. Rozycki
macro@imgtec.com
Tue Oct 18 03:46:00 GMT 2016
Fix an aliasing build error:
cc1: warnings being treated as errors
.../bfd/elf32-nds32.c: In function 'nds32_elf_check_relocs':
.../bfd/elf32-nds32.c:6644: warning: dereferencing type-punned pointer will break strict-aliasing rules
make[3]: *** [elf32-nds32.lo] Error 1
in a way following commit 6edfbbad0864 ("Fix up gcc4.1 aliasing
warnings"), <https://sourceware.org/ml/binutils/2005-10/msg00071.html>.
bfd/
* elf32-nds32.c (nds32_elf_check_relocs): Avoid aliasing warning
from GCC.
---
Discovered in an `--enable-targets=all' build and committed as obvious.
Maciej
binutils-nds32-bfd-local-dynrel-fix.diff
Index: binutils/bfd/elf32-nds32.c
===================================================================
--- binutils.orig/bfd/elf32-nds32.c 2016-10-07 03:26:23.000000000 +0100
+++ binutils/bfd/elf32-nds32.c 2016-10-14 18:49:34.213789161 +0100
@@ -6629,6 +6629,7 @@ nds32_elf_check_relocs (bfd *abfd, struc
else
{
asection *s;
+ void *vpp;
Elf_Internal_Sym *isym;
isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
@@ -6640,8 +6641,8 @@ nds32_elf_check_relocs (bfd *abfd, struc
if (s == NULL)
return FALSE;
- head = ((struct elf_nds32_dyn_relocs **)
- &elf_section_data (s)->local_dynrel);
+ vpp = &elf_section_data (s)->local_dynrel;
+ head = (struct elf_nds32_dyn_relocs **) vpp;
}
p = *head;
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