529bc4103b
* constexpr.c (cxx_eval_constant_expression): Handle ASM_EXPR. (potential_constant_expression_1) <case ASM_EXPR>: Allow. * cp-tree.h (finish_asm_stmt): Adjust. * parser.c (cp_parser_asm_definition): Grab the locaion of "asm" and use it. Change an error to a pedwarn. Allow asm in C++2a, warn otherwise. * pt.c (tsubst_expr): Pass a location down to finish_asm_stmt. * semantics.c (finish_asm_stmt): New location_t parameter. Use it. * g++.dg/cpp2a/inline-asm1.C: New test. * g++.dg/cpp2a/inline-asm2.C: New test. * g++.dg/cpp1y/constexpr-neg1.C: Adjust dg-error. From-SVN: r274169
14 lines
357 B
C
14 lines
357 B
C
// P1668R1: Permit unevaluated inline asm in constexpr functions
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// PR c++/91346
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// { dg-do compile { target c++14 } }
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// { dg-options "" }
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constexpr int
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foo (int a, int b)
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{
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if (__builtin_is_constant_evaluated ())
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return a + b;
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asm (""); // { dg-warning ".asm. in .constexpr. function only available with" "" { target c++17_down } }
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return a;
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}
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