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DebugInfo: Recommit (reverted in r215217, originally committed in r215157) the assertion that no argument variable is overwritten by subsequent argument variables.

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This turned up a bug in clang where arguments were emitted with
duplicate argument numbers (see r215227).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215228 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-08-08 17:12:35 +00:00
parent b6273f0b1a
commit 6d56b950a9
1 changed files with 1 additions and 0 deletions
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lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@@ -1144,6 +1144,7 @@ bool DwarfDebug::addCurrentFnArgument(DbgVariable *Var, LexicalScope *Scope) {
// arguments does the function have at source level. // arguments does the function have at source level.
if (ArgNo > Size) if (ArgNo > Size)
CurrentFnArguments.resize(ArgNo * 2); CurrentFnArguments.resize(ArgNo * 2);
assert(!CurrentFnArguments[ArgNo - 1]);
CurrentFnArguments[ArgNo - 1] = Var; CurrentFnArguments[ArgNo - 1] = Var;
return true; return true;
} }