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TheRock/compiler/amd-llvm/clang/test/Preprocessor/_Pragma-in-macro-arg.c
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2026-09-02 16:34:47 -07:00

36 lines
1.3 KiB
C

// RUN: %clang_cc1 %s -verify -Wconversion
// Don't crash
#define A(desc) _Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wparentheses\"") _Pragma("clang diagnostic pop")
#define B(desc) A(desc)
B(_Pragma("clang diagnostic ignored \"-Wparentheses\""))
#define EMPTY(x)
#define INACTIVE(x) EMPTY(x)
#define ID(x) x
#define ACTIVE(x) ID(x)
// This should be ignored..
INACTIVE(_Pragma("clang diagnostic ignored \"-Wconversion\""))
#define IGNORE_CONV _Pragma("clang diagnostic ignored \"-Wconversion\"") _Pragma("clang diagnostic ignored \"-Wconversion\"")
// ..as should this.
INACTIVE(IGNORE_CONV)
#define IGNORE_POPPUSH(Pop, Push, W, D) Push W D Pop
IGNORE_POPPUSH(_Pragma("clang diagnostic pop"), _Pragma("clang diagnostic push"),
_Pragma("clang diagnostic ignored \"-Wconversion\""), int q = (double)1.0);
int x1 = (double)1.0; // expected-warning {{implicit conversion}}
ACTIVE(_Pragma) ("clang diagnostic ignored \"-Wconversion\"")) // expected-error {{_Pragma takes a parenthesized string literal}} \
expected-error {{expected identifier or '('}} expected-error {{expected ')'}} expected-note {{to match this '('}}
// This should disable the warning.
ACTIVE(IGNORE_CONV)
int x2 = (double)1.0;