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method.c (implicitly_declare_fn): Increase alignment if member function pointer format requires it.

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* method.c (implicitly_declare_fn): Increase alignment if member
	function pointer format requires it.

From-SVN: r126884
This commit is contained in:
Nathan Sidwell 2007-07-24 18:32:48 +00:00 committed by Nathan Sidwell
parent fd8e2796db
commit b21a6ea100
2 changed files with 13 additions and 0 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2007-07-24 Nathan Sidwell <nathan@codesourcery.com>
* method.c (implicitly_declare_fn): Increase alignment if member
function pointer format requires it.
2007-07-24 Paolo Carlini <pcarlini@suse.de>
PR c++/29001

8
gcc/cp/method.c
View File

@ -1078,6 +1078,14 @@ implicitly_declare_fn (special_function_kind kind, tree type, bool const_p)
DECL_ASSIGNMENT_OPERATOR_P (fn) = 1;
SET_OVERLOADED_OPERATOR_CODE (fn, NOP_EXPR);
}
/* If pointers to member functions use the least significant bit to
indicate whether a function is virtual, ensure a pointer
to this function will have that bit clear. */
if (TARGET_PTRMEMFUNC_VBIT_LOCATION == ptrmemfunc_vbit_in_pfn
&& DECL_ALIGN (fn) < 2 * BITS_PER_UNIT)
DECL_ALIGN (fn) = 2 * BITS_PER_UNIT;
/* Create the explicit arguments. */
if (rhs_parm_type)
{