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[Bug middle-end/39614] [4.5 regression] Internal error compiling CSiBE
- From: "jsm28 at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Apr 2009 14:12:08 -0000
- Subject: [Bug middle-end/39614] [4.5 regression] Internal error compiling CSiBE
- References: <bug-39614-374@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from jsm28 at gcc dot gnu dot org 2009-04-08 14:12 -------
Subject: Bug 39614
Author: jsm28
Date: Wed Apr 8 14:11:46 2009
New Revision: 145737
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145737
Log:
PR c/39614
PR c/39673
* c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
* c-convert.c (convert): Do not call fold on results of conversion
functions when the result is a C_MAYBE_CONST_EXPR.
* c-parser.c (c_parser_postfix_expression): Do not fold condition
of __builtin_choose_expr.
* c-typeck.c (remove_c_maybe_const_expr): New.
(build_unary_op, build_conditional_expr, build_compound_expr,
build_binary_op, c_objc_common_truthvalue_conversion): Call
remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
integer operands.
testsuite:
* gcc.c-torture/compile/pr39614-1.c,
gcc.c-torture/compile/pr39614-2.c,
gcc.c-torture/compile/pr39614-3.c,
gcc.c-torture/compile/pr39614-4.c,
gcc.c-torture/compile/pr39614-5.c,
gcc.c-torture/compile/pr39673-1.c,
gcc.c-torture/compile/pr39673-2.c: New tests.
* gcc.dg/gnu89-const-expr-2.c, gcc.dg/gnu99-const-expr-2.c: Test
more cases.
* gcc.dg/overflow-warn-1.c, gcc.dg/overflow-warn-2.c,
gcc.dg/overflow-warn-3.c, gcc.dg/overflow-warn-4.c: Update
expected errors.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr39614-1.c
trunk/gcc/testsuite/gcc.c-torture/compile/pr39614-2.c
trunk/gcc/testsuite/gcc.c-torture/compile/pr39614-3.c
trunk/gcc/testsuite/gcc.c-torture/compile/pr39614-4.c
trunk/gcc/testsuite/gcc.c-torture/compile/pr39614-5.c
trunk/gcc/testsuite/gcc.c-torture/compile/pr39673-1.c
trunk/gcc/testsuite/gcc.c-torture/compile/pr39673-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/c-common.h
trunk/gcc/c-convert.c
trunk/gcc/c-parser.c
trunk/gcc/c-typeck.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/gnu89-const-expr-2.c
trunk/gcc/testsuite/gcc.dg/gnu99-const-expr-2.c
trunk/gcc/testsuite/gcc.dg/overflow-warn-1.c
trunk/gcc/testsuite/gcc.dg/overflow-warn-2.c
trunk/gcc/testsuite/gcc.dg/overflow-warn-3.c
trunk/gcc/testsuite/gcc.dg/overflow-warn-4.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39614