Fixes memory leak of ASTContext. When DisableFree is turned on, it intentionally leaks the ASTContext as they can be trivially deallocated. This patch turns this off and delete Parser instance early so that they will not reference dangling pargma headers.

Removes memory leak of ASTContext and TargetMachine. When DisableFree is turned on, it intentionally leaks these instances as they can be trivially deallocated. This patch turns this off and delete Parser instance early so that they will not reference dangling pargma headers. Asan shouldn't detect these as leaks since burypointer is called, but for some reason, these leaks got complained several times.

FixRemoves memory leak of ASTContextt and TargetMachine. When DisableFree is turned on, it intentionally leaks these instances as they can be trivially deallocated. This patch turns this off and delete Parser instance early so that they will not reference dangling pargma headers. Asan shouldn't detect these as leaks since burypointer is called, it intentionally leaks the ASTContext as they can be trivially deallocated.but for some reason, This patch turns this off and delete Parser instance early so that they will not reference dangling pargma headersthese leaks got complained several times.