https://bugs.llvm.org/show_bug.cgi?id=50862
Bug ID: 50862
Summary: CommonOptionsParser doesn't reset completely
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Tooling
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
If we create CommonOptionsParser multiple times in the program by providing
argc, argv, etc., the internal state of the CommonOptionsParser won't be reset
properly and positional arguments will be left.
Having multiple CommonOptionsParsers in the same program is not a good idea
because of internal static objects. However, in our use case we need to
initialize CommonOptionsParser with generated argc and argv, do some processing
and then repeat the same process by providing another set of argc and argv.
The issue is with the static cl::opt<T>'s in CommonOptionsParser::init, which
are never reset.
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