mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2024-12-08 06:38:02 +00:00
4a1049c8a2
cached during the non-cached lex, otherwise we are going to drop them. Fixes a bogus "_Pragma takes a parenthesized string literal" error when expanding consecutive _Pragmas in a macro argument. Part of rdar://11168596 llvm-svn: 153994
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
// RUN: %clang_cc1 %s -verify -Wconversion
|
|
|
|
// Don't crash (rdar://11168596)
|
|
#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;
|