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[Bug preprocessor/58844] [4.8 Regression] ICE with invalid use of ##
- From: "joseph at codesourcery dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 12 Aug 2014 14:38:26 +0000
- Subject: [Bug preprocessor/58844] [4.8 Regression] ICE with invalid use of ##
- Auto-submitted: auto-generated
- References: <bug-58844-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58844
--- Comment #13 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Also, in the case of just two consecutive ##, with a placemarker either
side, I think however you read it the concatenations are currently valid
and you end up with no preprocessing tokens in the expansion.
#define m(a,b) a####b
m(,)