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[Bug middle-end/39614] [4.5 regression] Internal error compiling CSiBE



------- 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


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