[Bug c++/115657] [12/13/14/15 Regression] ICE in tsubst_enum/tsubst_expr during template instantiation

[mpolacek at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115657

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
tsubst_expr gets TARGET_EXPR <D.2813, {}>.  We should probably have created an
IMPLICIT_CONV_EXPR for it.