rjmccall added inline comments.
================
Comment at: clang/lib/AST/ExprConstant.cpp:3441
+ Value);
+ }
APSInt LHS = HandleIntToIntCast(Info, E, PromotedLHSType,
----------------
Can we more fundamentally restructure this entire handler so that, if the
compound assignment's computation result type is an arithmetic type, we just
promote both operands to that type, do the arithmetic there, and then coerce
back down? This is C++, so the LHS type imposes almost no restrictions on the
RHS type; also, this is Clang, where we support way too many arithmetic types
for our own good.
Repository:
rC Clang
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D55413/new/
https://reviews.llvm.org/D55413
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