(Otherwise, the FunctionDecl's body was null and all the error and note
diagnostics were flagged as expected but not seen.)
Change-Id: I32acb6e0028433c9b40545cf91d8fe1acd19a77a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/125682
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>