arsenm added inline comments.

================
Comment at: clang/lib/Sema/SemaChecking.cpp:2674
+
+    if (MagnitudeTy.getCanonicalType() != SignTy.getCanonicalType()) {
+      return Diag(Sign.get()->getBeginLoc(),
----------------
arsenm wrote:
> erichkeane wrote:
> > arsenm wrote:
> > > erichkeane wrote:
> > > > curleys not used for single-statement if-statement bodies.
> > > It covers 3 lines, it should have braces
> > Our standard says 'statments' not 'lines'.  This is a single statement.
> > 
> > https://llvm.org/docs/CodingStandards.html#don-t-use-braces-on-simple-single-statement-bodies-of-if-else-loop-statements
> Also says 'Similarly, braces should be used when a single-statement body is 
> complex enough that it becomes difficult to see where the block containing 
> the following statement began.'
> 
> Which is any case where it covers multiple lines 
Plus I'd go by clang-format does not add braces here


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140639/new/

https://reviews.llvm.org/D140639

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