[Bug c++/17642] [4.0 Regression] internal compiler error: in invert_truthvalue, at fold-const.c:2997

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-28 02:56 -------
Subject: Bug 17642

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	mmitchel@gcc.gnu.org	2004-09-28 02:56:11

Modified files:
	gcc            : ChangeLog stor-layout.c tree.c 
	gcc/cp         : ChangeLog call.c cp-tree.h cvt.c decl.c pt.c 
	                 tree.c typeck.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g++.dg/template: crash23.C 

Log message:
	PR c++/17642
	* stor-layout.c (layout_decl): Use fold_convert, not convert.
	(bit_from_pos): Likewise.
	(byte_from_pos): Likewise.
	(pos_from_bit): Likewise.
	(normalize_offset): Likewise.
	(place_field): Likewise.
	(finalize_type_size): Likewise.
	(layout_type): Likewise.
	* tree.c (build_index_type): Likewise.
	
	PR c++/17642
	* cp-tree.h (fold_if_not_in_template): New function.
	* call.c (build_conditional_expr): Use fold_if_not_in_template.
	(build_cxx_call): Likewise.
	* cvt.c (convert_to_complex): Likewise.
	(ocp_convert): Likewise.
	(convert): Likewise.
	(convert_force): Likewise.
	* decl.c (compute_array_index_type): Clear
	processing_template_decl while folding array bounds.
	* pt.c (convert_nontype_argument): Clear
	processing_template_decl while processing non-type argument
	initialization.
	* tree.c (fold_if_not_in_template): New function.
	* typeck.c (build_class_member_access_expr): Use
	fold_if_not_in_template.
	(build_array_ref): Likewise.
	(build_binary_op): Likewise.  Do not try to optimize computations
	when processing templates.
	(cp_pointer_int_sum): Use fold_if_not_in_template.
	(pointer_diff): Likewise.
	(build_unary_op): Likewise.
	(build_reinterpret_cast): Likewise.
	(get_delta_difference): Likewise.
	(expand_ptrmemfunc_cst): Likewise.
	(dubious_conversion_warnings): Likewise.
	
	* g++.dg/template/crash23.C: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.5650&r2=2.5651
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/stor-layout.c.diff?cvsroot=gcc&r1=1.214&r2=1.215
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.c.diff?cvsroot=gcc&r1=1.435&r2=1.436
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.4390&r2=1.4391
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/call.c.diff?cvsroot=gcc&r1=1.509&r2=1.510
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-tree.h.diff?cvsroot=gcc&r1=1.1054&r2=1.1055
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cvt.c.diff?cvsroot=gcc&r1=1.166&r2=1.167
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/decl.c.diff?cvsroot=gcc&r1=1.1305&r2=1.1306
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/pt.c.diff?cvsroot=gcc&r1=1.927&r2=1.928
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/tree.c.diff?cvsroot=gcc&r1=1.411&r2=1.412
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/typeck.c.diff?cvsroot=gcc&r1=1.578&r2=1.579
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4359&r2=1.4360
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/template/crash23.C.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17642