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Add some assertions.
Fixes segfaults in some corner cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69494 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1284,6 +1284,7 @@ void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
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StrVector::const_iterator I = StrVec.begin(), E = StrVec.end();
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// If there is a hook invocation on the place of the first command, skip it.
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assert(!StrVec[0].empty());
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if (StrVec[0][0] == '$') {
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while (I != E && (*I)[0] != ')' )
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++I;
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@ -1297,7 +1298,7 @@ void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
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for (; I != E; ++I) {
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const std::string& cmd = *I;
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// std::cerr << cmd;
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assert(!cmd.empty());
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O << IndentLevel;
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if (cmd.at(0) == '$') {
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if (cmd == "$INFILE") {
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