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Remove cast(STC) from TypeTag.semantic (#20931)

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Dennis 2025-03-01 00:44:56 +01:00 • committed by GitHub
parent 2c304a4377
commit 978b108b1b
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1 changed files with 11 additions and 5 deletions
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16
compiler/src/dmd/typesem.d
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@ -2985,8 +2985,14 @@ Type typeSemantic(Type type, Loc loc, Scope* sc)
Type visitTag(TypeTag mtype)
{
//printf("TypeTag.semantic() %s\n", mtype.toChars());
Type returnType(Type t)
Type returnType(TypeTag tt)
{
Type t = tt.resolved;
// To make const checking work, the const STC needs to be added:
// t = t.resolved.addSTC(mtype.mod.ModToStc);
// However, this currently fails compilable/test22875.i
// Apparently there's some aliasing going on, where mutable
// versions of the type also get const applied to them.
return t.deco ? t : t.merge();
}
@ -2994,7 +3000,7 @@ Type typeSemantic(Type type, Loc loc, Scope* sc)
{
/* struct S s, *p;
*/
return returnType(mtype.resolved.addSTC(cast(STC) mtype.mod));
return returnType(mtype);
}
/* Find the current scope by skipping tag scopes.
@ -3067,7 +3073,7 @@ Type typeSemantic(Type type, Loc loc, Scope* sc)
{
mtype.id = Identifier.generateId("__tag"[]);
declareTag();
return returnType(mtype.resolved.addSTC(cast(STC) mtype.mod));
return returnType(mtype);
}
/* look for pre-existing declaration
@ -3080,7 +3086,7 @@ Type typeSemantic(Type type, Loc loc, Scope* sc)
if (mtype.tok == TOK.enum_ && !mtype.members)
.error(mtype.loc, "`enum %s` is incomplete without members", mtype.id.toChars()); // C11 6.7.2.3-3
declareTag();
return returnType(mtype.resolved.addSTC(cast(STC) mtype.mod));
return returnType(mtype);
}
/* A redeclaration only happens if both declarations are in
@ -3180,7 +3186,7 @@ Type typeSemantic(Type type, Loc loc, Scope* sc)
declareTag();
}
}
return returnType(mtype.resolved.addSTC(cast(STC) mtype.mod));
return returnType(mtype);
}
switch (type.ty)