http://llvm.org/bugs/show_bug.cgi?id=20963
Bug ID: 20963
Summary: Spurious warning from Wformat-extra-args
Product: clang
Version: 3.4
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
violino:/tmp/clang> cat bug.c
#include <stdio.h>
int main(int argc, char *argv[]) {
printf(argc > 1 ? "%s %s\n" : "%s\n", argv[0], argv[1]);
}
violino:/tmp/clang> clang -c bug.c
bug.c:4:47: warning: data argument not used by format string
[-Wformat-extra-args]
printf(argc > 1 ? "%s %s\n" : "%s\n", argv[0], argv[1]);
~~~~~~ ^
1 warning generated.
gcc (correctly) does not complain.
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