There are several places in the compiler where we assume DECL_ALIGN
constraints the lower bits of the address of the DECL.
See several similar bugs in the past (PR47239 comes to my mind).
fold-const.c:get_pointer_modulus_and_residue looks suspicious to me here,
so you might want to try
Index: gcc/fold-const.c
===================================================================
--- gcc/fold-const.c (revision 174266)
+++ gcc/fold-const.c (working copy)
@@ -9219,7 +9219,8 @@ get_pointer_modulus_and_residue (tree ex
*residue = 0;
code = TREE_CODE (expr);
- if (code == ADDR_EXPR)
+ if (code == ADDR_EXPR
+ && TREE_CODE (TREE_OPERAND (expr, 0)) != FUNCTION_DECL)
{
unsigned int bitalign;
bitalign = get_object_alignment_1 (TREE_OPERAND (expr, 0), residue);
--
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https://bugs.launchpad.net/bugs/721531
Title:
[armel] gcc computes wrong address for main() at build time
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