Analyzer: Fix a crasher in UbigraphViz
Summary:
Name `Out` refers to the parameter. It is moved into the member `Out`
in ctor-init. Dereferencing null pointer will crash clang, if user
passes '-analyzer-viz-egraph-ubigraph' argument.
Reviewers: zaks.anna, krememek
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D12119
llvm-svn: 248050
diff --git a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index 7a9826b..ca92ffe 100644
--- a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -778,8 +778,9 @@
<< ", ('arrow','true'), ('oriented', 'true'))\n";
}
-UbigraphViz::UbigraphViz(std::unique_ptr<raw_ostream> Out, StringRef Filename)
- : Out(std::move(Out)), Filename(Filename), Cntr(0) {
+UbigraphViz::UbigraphViz(std::unique_ptr<raw_ostream> OutStream,
+ StringRef Filename)
+ : Out(std::move(OutStream)), Filename(Filename), Cntr(0) {
*Out << "('vertex_style_attribute', 0, ('shape', 'icosahedron'))\n";
*Out << "('vertex_style', 1, 0, ('shape', 'sphere'), ('color', '#ffcc66'),"