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Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
-rw-r--r--lib/CodeGen/AsmPrinter/DwarfDebug.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 9aa03892df..2feb1256cc 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2330,8 +2330,11 @@ bool DwarfDebug::addCurrentFnArgument(const MachineFunction *MF,
if (ArgNo == 0)
return false;
- if (CurrentFnArguments.size() == 0)
+ size_t Size = CurrentFnArguments.size();
+ if (Size == 0)
CurrentFnArguments.resize(MF->getFunction()->arg_size());
+ else if (ArgNo > Size)
+ CurrentFnArguments.resize(ArgNo * 2);
CurrentFnArguments[ArgNo - 1] = Var;
return true;
}