[PATCH] D42875: [analyzer] Add construction context for ReturnStmt.

[Artem Dergachev via Phabricator via cfe-commits]

NoQ created this revision.
NoQ added reviewers: rsmith, dcoughlin, xazax.hun, a.sidorin, george.karpenkov, szepet.
Herald added subscribers: cfe-commits, rnkovacs.

This one's new, the analyzer didn't enjoy this before. This patch adds construction context for `ReturnStmt`, which means that we'd be able to properly return objects from functions by value.

This is the CFG part of the work, the Analyzer-side improvement to make use of it will be in the next patch.


Repository:
  rC Clang

https://reviews.llvm.org/D42875

Files:
  lib/Analysis/CFG.cpp
  test/Analysis/cfg-rich-constructors.cpp
  test/Analysis/temp-obj-dtors-cfg-output.cpp

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