Fznamznon created this revision.
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a.sidorin, baloghadamsoftware.
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Fznamznon requested review of this revision.
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InterpState frees resources in the destructor but doesn't
have user-written copy c'tor or assignment operator, so copying it using
default ones can cause double free.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D156900
Files:
clang/lib/AST/Interp/InterpState.h
Index: clang/lib/AST/Interp/InterpState.h
===================================================================
--- clang/lib/AST/Interp/InterpState.h
+++ clang/lib/AST/Interp/InterpState.h
@@ -39,6 +39,9 @@
~InterpState();
+ InterpState(const InterpState &) = delete;
+ InterpState &operator=(const InterpState &) = delete;
+
// Stack frame accessors.
Frame *getSplitFrame() { return Parent.getCurrentFrame(); }
Frame *getCurrentFrame() override;
Index: clang/lib/AST/Interp/InterpState.h
===================================================================
--- clang/lib/AST/Interp/InterpState.h
+++ clang/lib/AST/Interp/InterpState.h
@@ -39,6 +39,9 @@
~InterpState();
+ InterpState(const InterpState &) = delete;
+ InterpState &operator=(const InterpState &) = delete;
+
// Stack frame accessors.
Frame *getSplitFrame() { return Parent.getCurrentFrame(); }
Frame *getCurrentFrame() override;
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