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// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
extern "C" {
extern int scanf(const char *restrict, ...);
extern int printf(const char *restrict, ...);
}
void f(char **sp, float *fp) {
// TODO: Warn that the 'a' length modifier is an extension.
scanf("%as", sp);
// TODO: Warn that the 'a' conversion specifier is a C++11 feature.
printf("%a", 1.0);
scanf("%afoobar", fp);
}
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