unmodified_param_1 used tree_to_shwi without first checking tree_fits_shwi_p. This is needed by the SVE ACLE support and is hard to test independently.
Tested on aarch64-linux-gnu, armeb-eabi and x86_64-linux-gnu. OK to install? Richard 2019-08-05 Richard Sandiford <richard.sandif...@arm.com> gcc/ * ipa-fnsummary.c (unmodified_parm_1): Test tree_fits_shwi_p before calling to tree_to_shwi. Index: gcc/ipa-fnsummary.c =================================================================== --- gcc/ipa-fnsummary.c 2019-07-16 09:11:50.509067138 +0100 +++ gcc/ipa-fnsummary.c 2019-08-05 09:57:28.553617299 +0100 @@ -927,7 +927,8 @@ unmodified_parm_1 (ipa_func_body_info *f /* SSA_NAME referring to parm default def? */ if (TREE_CODE (op) == SSA_NAME && SSA_NAME_IS_DEFAULT_DEF (op) - && TREE_CODE (SSA_NAME_VAR (op)) == PARM_DECL) + && TREE_CODE (SSA_NAME_VAR (op)) == PARM_DECL + && tree_fits_shwi_p (TYPE_SIZE (TREE_TYPE (op)))) { if (size_p) *size_p = tree_to_shwi (TYPE_SIZE (TREE_TYPE (op)));