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As reported in bug 112841, typeof_unqual fails to remove qualifiers from qualified array types. In C23 (unlike in previous standard versions), array types are considered to have the qualifiers of the element type, so typeof_unqual should remove such qualifiers (and an example in the standard shows that is as intended). Fix this by calling strip_array_types when checking for the presence of qualifiers. (The reason we check for qualifiers rather than just using TYPE_MAIN_VARIANT unconditionally is to avoid, as a quality of implementation matter, unnecessarily losing typedef information in the case where the type is already unqualified.) Bootstrapped with no regressions for x86_64-pc-linux-gnu. PR c/112841 gcc/c/ * c-parser.cc (c_parser_typeof_specifier): Call strip_array_types when checking for type qualifiers for typeof_unqual. gcc/testsuite/ * gcc.dg/c23-typeof-4.c: New test. |
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