[PATCH] D66565: [analyzer] pr43036: Fix support for operator `sizeof...'.

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This revision was automatically updated to reflect the committed changes.
Closed by commit rL370245: [analyzer] pr43036: Fix support for operator 'sizeof...'. (authored by dergachev, committed by ).
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Changed prior to commit:
  https://reviews.llvm.org/D66565?vs=216517&id=217697#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66565/new/

https://reviews.llvm.org/D66565

Files:
  cfe/trunk/lib/StaticAnalyzer/Core/Environment.cpp
  cfe/trunk/test/Analysis/sizeofpack.cpp


Index: cfe/trunk/test/Analysis/sizeofpack.cpp
===================================================================
--- cfe/trunk/test/Analysis/sizeofpack.cpp
+++ cfe/trunk/test/Analysis/sizeofpack.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection \
+// RUN:                    -verify %s
+
+typedef __typeof(sizeof(int)) size_t;
+
+void clang_analyzer_eval(bool);
+
+template <int... N> size_t foo() {
+  return sizeof...(N);
+}
+
+void bar() {
+  clang_analyzer_eval(foo<>() == 0); // expected-warning{{TRUE}}
+  clang_analyzer_eval(foo<1, 2, 3>() == 3); // expected-warning{{TRUE}}
+}
Index: cfe/trunk/lib/StaticAnalyzer/Core/Environment.cpp
===================================================================
--- cfe/trunk/lib/StaticAnalyzer/Core/Environment.cpp
+++ cfe/trunk/lib/StaticAnalyzer/Core/Environment.cpp
@@ -108,6 +108,7 @@
   case Stmt::ObjCStringLiteralClass:
   case Stmt::StringLiteralClass:
   case Stmt::TypeTraitExprClass:
+  case Stmt::SizeOfPackExprClass:
     // Known constants; defer to SValBuilder.
     return svalBuilder.getConstantVal(cast<Expr>(S)).getValue();
 


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