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From: "ppluzhnikov at google dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/56411] New: [4.8 regression] Wrong preprocessor output with -std=c++11 Date: Wed, 20 Feb 2013 19:23:00 -0000 [thread overview] Message-ID: <bug-56411-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56411 Bug #: 56411 Summary: [4.8 regression] Wrong preprocessor output with -std=c++11 Classification: Unclassified Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: ppluzhnikov@google.com This is a continuation of PR 52538. Broke somewhere between r195930(ok) and r196104(broken). cat t.cc #define FOO(str) sizeof(""str"") #define BAR(str) sizeof("" str "") int main() { unsigned long a = FOO("abc"); unsigned long b = BAR("abc"); } g++ -E /tmp/t.cc | grep sizeof unsigned long a = sizeof("""abc"""); unsigned long b = sizeof("" "abc" ""); g++ -E -std=c++11 /tmp/t.cc | grep sizeof unsigned long a = sizeof(""str""); <<<< WHAT? unsigned long b = sizeof("" "abc" "");
next reply other threads:[~2013-02-20 19:23 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-02-20 19:23 ppluzhnikov at google dot com [this message] 2013-02-20 19:27 ` [Bug c++/56411] " jakub at gcc dot gnu.org 2013-02-20 19:32 ` ppluzhnikov at google dot com 2013-02-20 19:34 ` jakub at gcc dot gnu.org
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