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This adds __attribute__((signed_bool_precision(precision))) to be able to construct nonstandard boolean types which for the included testcase is needed to simulate Ada and LTO interaction (Ada uses a 8 bit precision boolean_type_node). This will also be useful for vector unit testcases where we need to produce vector types with non-standard precision signed boolean type components. 2021-01-06 Richard Biener <rguenther@suse.de> PR tree-optimization/95582 gcc/c-family/ * c-attribs.c (c_common_attribute_table): Add entry for signed_bool_precision. (handle_signed_bool_precision_attribute): New. gcc/testsuite/ * gcc.dg/pr95582.c: New testcase.
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