lebedev.ri added inline comments.

================
Comment at: include/clang/ASTMatchers/ASTMatchers.h:6421
+///
+/// Prerequisite: the executable directive must not be standalone directive.
+///
----------------
aaron.ballman wrote:
> What happens if this prereq is not met? Does the matcher return false, or 
> does it do something worse (like assert)?
From https://reviews.llvm.org/D59214#change-5GOe7CiMwWxl
```
const Stmt *OMPExecutableDirective::getStructuredBlock() const {
  assert(!isStandaloneDirective() &&
         "Standalone Executable Directives don't have Structured Blocks.");
```
It really doesn't make sense to return false/nullptr,
it would be like trying to find ForLoop in VarDecl, they are just really 
distinct types.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59463/new/

https://reviews.llvm.org/D59463



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