r362062 - [AST] asm goto labels don't have constraints, don't try to copy them.

[Benjamin Kramer via cfe-commits]

Author: d0k
Date: Thu May 30 00:21:08 2019
New Revision: 362062

URL: http://llvm.org/viewvc/llvm-project?rev=362062&view=rev
Log:
[AST] asm goto labels don't have constraints, don't try to copy them.

Found by asan.

Modified:
    cfe/trunk/lib/AST/Stmt.cpp

Modified: cfe/trunk/lib/AST/Stmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Stmt.cpp?rev=362062&r1=362061&r2=362062&view=diff
==============================================================================
--- cfe/trunk/lib/AST/Stmt.cpp (original)
+++ cfe/trunk/lib/AST/Stmt.cpp Thu May 30 00:21:08 2019
@@ -483,9 +483,10 @@ void GCCAsmStmt::setOutputsAndInputsAndC
   this->Exprs = new (C) Stmt*[NumExprs];
   std::copy(Exprs, Exprs + NumExprs, this->Exprs);
 
+  unsigned NumConstraints = NumOutputs + NumInputs;
   C.Deallocate(this->Constraints);
-  this->Constraints = new (C) StringLiteral*[NumExprs];
-  std::copy(Constraints, Constraints + NumExprs, this->Constraints);
+  this->Constraints = new (C) StringLiteral*[NumConstraints];
+  std::copy(Constraints, Constraints + NumConstraints, this->Constraints);
 
   C.Deallocate(this->Clobbers);
   this->Clobbers = new (C) StringLiteral*[NumClobbers];
@@ -756,8 +757,9 @@ GCCAsmStmt::GCCAsmStmt(const ASTContext
   Exprs = new (C) Stmt*[NumExprs];
   std::copy(exprs, exprs + NumExprs, Exprs);
 
-  Constraints = new (C) StringLiteral*[NumExprs];
-  std::copy(constraints, constraints + NumExprs, Constraints);
+  unsigned NumConstraints = NumOutputs + NumInputs;
+  Constraints = new (C) StringLiteral*[NumConstraints];
+  std::copy(constraints, constraints + NumConstraints, Constraints);
 
   Clobbers = new (C) StringLiteral*[NumClobbers];
   std::copy(clobbers, clobbers + NumClobbers, Clobbers);