fix Issue 7252 - ICE(template.c): 'global.errors' on line 4893 in file 'template.c'
fix up for test/compilable/testfptr.d

The result of syntaxCopy should be re-semantic()-ed.
Merge pull request #1404 from 9rnsr/fix7252

Issue 7252 - ICE(template.c): 'global.errors' on line 4893 in file 'template.c'