[LLVMbugs] [Bug 4557] New: differences with -tradtional compared to gcc

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Tue Jul 14 11:22:05 PDT 2009


           Summary: differences with -tradtional compared to gcc
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: NetBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: preprocessor
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: krister.walfridsson at gmail.com
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=3197)
 --> (http://llvm.org/bugs/attachment.cgi?id=3197)
The example mentioned in the bug report

"clang -traditional" gives different output compared to "gcc -traditional" on
the following example. (This prevents the NetBSD kernel from building using
clang, as this construct is used in several .S files...)

#define INTRSTUB(name, num) \
intr_/**/name/**/num: \

"clang -traditional -E foo.S" outputs this as "intr_ legacy 0: nop"
"gcc -traditional -E foo.S" outputs this as "intr_legacy0: nop"

The clang version used: svn revision 75635.

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