// RUN: %clang_cc1 -E -verify %s // C++ [lex.icon]p4 and C 6.4.4.1p2 + 6.4.4.2p7 both require C and C++ to // validate the integer constant value when converting a preprocessing token // into a token for semantic analysis, even within the preprocessor itself. // Plain integer constant. #if 999999999999999999999 // expected-error {{integer literal is too large to be represented in any integer type}} #endif // These cases were previously incorrectly accepted. See GH134658. // Integer constant in an unevaluated branch of a conditional. #if 1 ? 1 : 999999999999999999999 // expected-error {{integer literal is too large to be represented in any integer type}} #endif // Integer constant in an unevaluated operand of a logical operator. #if 0 && 999999999999999999999 // expected-error {{integer literal is too large to be represented in any integer type}} #endif #if 1 || 999999999999999999999 // expected-error {{integer literal is too large to be represented in any integer type}} #endif // Make sure we also catch it in an elif condition. #if 0 #elif 1 || 999999999999999999999 // expected-error {{integer literal is too large to be represented in any integer type}} #endif // However, if the block is skipped entirely, then it doesn't matter how // invalid the constant value is. #if 0 int x = 999999999999999999999; #if 999999999999999999999 #endif #if 0 && 999999999999999999999 #endif #endif