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If a TARGET_EXPR has poly-int size, the gimplifier would treat it like a VLA and use gimplify_vla_decl. gimplify_vla_decl in turn would use an alloca and expect all references to be gimplified via the DECL_VALUE_EXPR. This caused confusion later in gimplify_var_or_parm_decl_1 when we (correctly) had direct rather than indirect references. For completeness, the patch also fixes similar tests in the RETURN_EXPR handling and OpenMP depend clauses. 2020-01-17 Richard Sandiford <richard.sandiford@arm.com> gcc/ * gimplify.c (gimplify_return_expr): Use poly_int_tree_p rather than testing directly for INTEGER_CST. (gimplify_target_expr, gimplify_omp_depend): Likewise. gcc/testsuite/ * g++.target/aarch64/sve/acle/general-c++/gimplify_1.C: New test.
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