RFR: 8340125: [lw5] null checks are not being generated for method invocations and array writes

[Maurizio Cimadamore]

On Tue, 24 Sep 2024 21:13:08 GMT, Vicente Romero <vromero at openjdk.org> wrote:

> javac is not generating null checks for runtime execution for method invocations and array writes

src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Gen.java line 1972:

> 1970:         // outer instance of a super(...) call appears as first parameter).
> 1971:         MethodSymbol msym = (MethodSymbol)TreeInfo.symbol(tree.meth);
> 1972:         List<Type> erasedPts = msym.externalType(types).getParameterTypes();

Should we revert these lines (and others in this class) to whatever is in mainline?

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1251#discussion_r1775418509