499f8d4c2b
The following testcase ICEs, because when creating PAREN_EXPR for __builtin_assoc_barrier the FE doesn't do the usual tweaks for EXCESS_PRECISION_EXPR or C_MAYBE_CONST_EXPR. I believe that the declared effect of the builtin is just association barrier, so e.g. excess precision should be still handled like if it wasn't there. The following patch uses build_unary_op to handle those. 2022-02-09 Jakub Jelinek <jakub@redhat.com> PR c/104427 * c-parser.cc (c_parser_postfix_expression) <case RID_BUILTIN_ASSOC_BARRIER>: Use parser_build_unary_op instead of build1_loc to build PAREN_EXPR. * c-typeck.cc (build_unary_op): Handle PAREN_EXPR. * c-fold.cc (c_fully_fold_internal): Likewise. * gcc.dg/pr104427.c: New test. |
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