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from 9fbbe6ff5b [analyzer] Fix JSON dumps for location contexts. new a66b18785d [analyzer] Fix JSON dumps for store clusters. new 28823bb645 [analyzer] exploded-graph-rewriter: Fix escaping StringRegions. new cd58cd0fce [analyzer] exploded-graph-rewriter: Implement a --diff mode.

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Summary of changes: lib/StaticAnalyzer/Core/RegionStore.cpp | 9 +- test/Analysis/dump_egraph.cpp | 2 +- .../exploded-graph-rewriter/environment_diff.dot | 110 ++++++++ test/Analysis/exploded-graph-rewriter/escapes.c | 18 ++ .../Analysis/exploded-graph-rewriter/lit.local.cfg | 2 +- .../exploded-graph-rewriter/program_points.dot | 1 - test/Analysis/exploded-graph-rewriter/store.dot | 1 + .../exploded-graph-rewriter/store_diff.dot | 82 ++++++ test/Analysis/expr-inspection.c | 2 +- utils/analyzer/exploded-graph-rewriter.py | 280 ++++++++++++++++----- 10 files changed, 439 insertions(+), 68 deletions(-) create mode 100644 test/Analysis/exploded-graph-rewriter/environment_diff.dot create mode 100644 test/Analysis/exploded-graph-rewriter/escapes.c create mode 100644 test/Analysis/exploded-graph-rewriter/store_diff.dot