NoQ added inline comments.

================
Comment at: clang/lib/Analysis/CFG.cpp:4684
+  if (size() <= 3)
+    return true;
+
----------------
Szelethus wrote:
> What are the cases for the size being 2 or 1? Empty function? Is a size of 1 
> even possible? Can we enforce something here with asserts?
An empty function, i.e. `void foo() {}`, has two CFG blocks. Every CFG has (by 
construction) at least an ENTRY and an EXIT, but i don't think this is the 
right place to introduce such sanity check.


================
Comment at: clang/test/Analysis/inline-if-constexpr.cpp:16
+void bar() {
+  clang_analyzer_eval(f7()); // expected-warning{{TRUE}}
+}
----------------
NoQ wrote:
> Szelethus wrote:
> > Aha, we wouldve seen UNKNOWN because the analyzer wouldn't inline these 
> > many functions, right? Neat!
> Aha, yup.
Hardcoded the max stack depth count to make this more apparent and prevent the 
test from not testing anything if it's bumped.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61051/new/

https://reviews.llvm.org/D61051



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