================
@@ -4043,6 +4043,33 @@ def note_cannot_use_trivial_abi_reason : Note<
"it has a __weak field|it has a field of a non-trivial class type|"
"it has an address-discriminated '__ptrauth' field}1">;
+// OverflowBehavior attribute
+def err_overflow_behavior_unknown_ident
+ : Error<"'%0' is not a valid argument to attribute %1, only 'wrap' and "
+ "'no_wrap' "
+ "are supported">;
+def warn_overflow_behavior_non_integer_type
+ : Warning<"%0 %select{attribute|specifier}2 cannot be applied to "
+ "non-integer type '%1'; %select{attribute|specifier}2 ignored">,
+ InGroup<OverflowBehaviorAttributeIgnored>;
+def warn_overflow_behavior_attribute_disabled
+ : Warning<"%0 attribute is ignored because it is not enabled; pass "
+ "-foverflow-behavior-types">,
+ InGroup<OverflowBehaviorAttributeIgnored>;
+def warn_conflicting_overflow_behavior_attributes
+ : Warning<"conflicting %select{'overflow_behavior' attributes|overflow "
+ "behavior specifiers}0 on the same type; 'no_wrap' takes "
+ "precedence over 'wrap'">,
+ InGroup<OverflowBehaviorAttributeIgnored>;
----------------
JustinStitt wrote:
I've changed this to an error and reworked the diagnostic slightly. We no
longer have an enum to specify the spelling. Thanks for informing me of
`enum_select`, though. I will try to use it in the future.
https://github.com/llvm/llvm-project/pull/148914
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