1 // RUN: %clang -target x86_64-apple-darwin -mios-simulator-version-min=7 -fsyntax-only %s -Xclang -verify 2 // RUN: %clang -target x86_64-apple-darwin -arch arm64 -target x86_64-apple-darwin -mios-version-min=7 -fsyntax-only %s -Xclang -verify 3 // RUN: %clang -target armv7k-apple-watchos -arch armv7k -target armv7k-apple-watchos -fsyntax-only %s -Xclang -verify 4 5 // For 64-bit iOS, automatically promote -Wimplicit-function-declaration 6 // to an error. 7 8 void radar_10894044() { 9 printf("Hi\n"); // expected-error {{implicitly declaring library function 'printf' with type 'int (const char *, ...)'}} expected-note {{include the header <stdio.h> or explicitly provide a declaration for 'printf'}} 10 radar_10894044_not_declared(); // expected-error {{implicit declaration of function 'radar_10894044_not_declared' is invalid in C99}} 11 } 12
