This patch adjusts tests not to depend on deprecated FileCheck
behavior that permits overlapping matches within a block of
- thinlto-function-summary-originalnames.ll: The directive with the pattern <COMBINED is surely intended to match <COMBINED (note the trailing space), but it instead matches <COMBINED_GLOBALVAR_INIT_REFS, for which there is a separate directive. With the deprecated behavior, both directives match the latter text and neither match the former text. I've adjusted the former directive so it matches only the former text.
- thinlto-summary-local-5.0.ll: Two directives have identical patterns when they were clearly meant to have different patterns.
- upgrade-pointer-address-space.ll: There are three identical directives but only two occurrences of the matching text. With the deprecated behavior, they always match exactly the same text, so the behavior can't have been useful. I removed one of the directives and converted the other two from CHECK-DAG to CHECK.
While I have attempted to preserve the original intent of these tests,
I might have misunderstood something, so please point out any
problems. Your explanation might prove helpful as I address similar
issues in other tests.