[Bug tree-optimization/105736] [12/13 Regression] ICE in force_gimple_operand_1, at gimplify-me.cc:79 since r13-222-g28896b38fabce818

cvs-commit at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Jun 21 07:37:11 GMT 2022


--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Siddhesh Poyarekar


commit r13-1183-g70454c50b4592fe6876ecca13268264e395e058f
Author: Siddhesh Poyarekar <siddhesh@gotplt.org>
Date:   Tue Jun 21 12:15:07 2022 +0530

    tree-object-size: Don't let error_mark_node escape for ADDR_EXPR [PR105736]

    The addr_expr computation does not check for error_mark_node before
    returning the size expression.  This used to work in the constant case
    because the conversion to uhwi would end up causing it to return
    size_unknown, but that won't work for the dynamic case.

    Modify the control flow to explicitly return size_unknown if the offset
    computation returns an error_mark_node.


            PR tree-optimization/105736
            * tree-object-size.cc (addr_object_size): Return size_unknown
            when object offset computation returns an error.


            PR tree-optimization/105736
            * gcc.dg/builtin-dynamic-object-size-0.c (TV4): New struct.
            (val3): New variable.
            (test_pr105736): New test.
            (main): Call it.

    Signed-off-by: Siddhesh Poyarekar <siddhesh@gotplt.org>

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