Integrated: 7039014: Confusing error message for method conflict
Archie L. Cobbs
duke at openjdk.org
Thu Oct 20 14:01:16 UTC 2022
On Tue, 18 Oct 2022 21:43:10 GMT, Archie L. Cobbs <duke at openjdk.org> wrote:
> This fixes a confusing error message.
>
> Currently, this input:
>
> interface A<T> {
> byte m(String x);
> char m(T x);
> }
>
> interface B extends A<String> {
> }
>
> produces this error:
>
> A.java:6: error: types A<String> and A<String> are incompatible;
> interface B extends A<String> {
> ^
> both define m(String), but with unrelated return types
> 1 error
>
> This patch detects when the two types are actually the same type and gives this error message instead:
>
> A.java:6: error: type A<String> defines m(String) more than once with unrelated return types
> interface B extends A<String> {
> ^
> 1 error
This pull request has now been integrated.
Changeset: 9b971626
Author: Archie L. Cobbs <archie.cobbs at gmail.com>
Committer: Vicente Romero <vromero at openjdk.org>
URL: https://git.openjdk.org/jdk/commit/9b971626f79b4f64442cf6888c2b6114c9a06351
Stats: 86 lines in 6 files changed: 83 ins; 0 del; 3 mod
7039014: Confusing error message for method conflict
Reviewed-by: vromero
-------------
PR: https://git.openjdk.org/jdk/pull/10752
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