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Fix potential segfault when formatting error msg (#2160)

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kinke 2017-06-10 14:53:50 +02:00 • committed by GitHub
parent 2f48a468ca
commit b82d87d6ee
1 changed files with 7 additions and 1 deletions
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8
driver/main.cpp
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@ -224,7 +224,13 @@ void initFromPathString(const char *&dest, const cl::opt<std::string> &src) {
dest = nullptr; dest = nullptr;
if (src.getNumOccurrences() != 0) { if (src.getNumOccurrences() != 0) {
if (src.empty()) { if (src.empty()) {
error(Loc(), "Expected argument to '-%s'", src.ArgStr); error(Loc(), "Expected argument to '-%s'",
#if LDC_LLVM_VER >= 308
src.ArgStr.str().c_str()
#else
src.ArgStr
#endif
);
} }
dest = dupPathString(src); dest = dupPathString(src);
} }