bundle: expand the graph we us for bundletype/bundlespec tests
We are about to test more things, especially phase bundling, so we need a graph
a bit more complex than a single node.
The test "code" was a bit simplified in the process, but no test-semantic
changes were made.
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2