http://llvm.org/bugs/show_bug.cgi?id=4006
Summary: variable argument macro argumetn count issues
Product: clang
Version: unspecified
Platform: PC
OS/Version: NetBSD
Status: NEW
Severity: normal
Priority: P2
Component: preprocessor
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
#define e(...) __VA_ARGS__
#if e() 0
#error
#endif
gives
~/src/nobackup/llvm/Release-Asserts/bin/clang-cc -pedantic-errors -std=c99
/tmp/bug.c
/tmp/bug.c:1:16: error: __VA_ARGS__ can only appear in the expansion of a C99
variadic macro
#define e(...) __VA_ARGS__
^
/tmp/bug.c:2:7: error: varargs argument missing, but tolerated as an extension
#if e() 0
^
2 diagnostics generated.
both of which appear bogus.
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