Explicitly initialize the options array, MinGW's gcc 4.3.5 appears to have a bug
in array value-initialization.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75518 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/OptTable.cpp b/lib/Driver/OptTable.cpp
index 7ea6a8b..8c88575 100644
--- a/lib/Driver/OptTable.cpp
+++ b/lib/Driver/OptTable.cpp
@@ -91,7 +91,11 @@
return OptionInfos[id - 1];
}
-OptTable::OptTable() : Options(new Option*[numOptions]()) {
+OptTable::OptTable() : Options(new Option*[numOptions]) {
+ // Explicitly zero initialize the error to work around a bug in array
+ // value-initialization on MinGW with gcc 4.3.5.
+ memset(Options, 0, sizeof(*Options) * numOptions);
+
// Find start of normal options.
FirstSearchableOption = 0;
for (unsigned i = OPT_UNKNOWN + 1; i < LastOption; ++i) {