r176780 - When lexing in C11 mode, accept unicode character and string literals, per C11
Richard Smith
richard at metafoo.co.uk
Mon Mar 11 11:03:49 PDT 2013
On Sat, Mar 9, 2013 at 11:44 PM, Jordan Rose <jordan_rose at apple.com> wrote:
> I added a c99-compat warning group for UCNs, but it's pretty empty right
> now. Should we just have two variations of these warnings?
Good idea, r176817. I also wonder whether we should have a -Wc89-compat
flag (and c90 and c94?) and put this warning in both groups.
> On Mar 9, 2013, at 15:56 , Richard Smith <richard-llvm at metafoo.co.uk>
> wrote:
>
> > Author: rsmith
> > Date: Sat Mar 9 17:56:02 2013
> > New Revision: 176780
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=176780&view=rev
> > Log:
> > When lexing in C11 mode, accept unicode character and string literals,
> per C11
> > 6.4.4.4/1 and 6.4.5/1.
> >
> > Modified:
> > cfe/trunk/lib/Lex/Lexer.cpp
> > cfe/trunk/test/CodeGen/string-literal.c
> > cfe/trunk/test/Lexer/char-literal.cpp
> > cfe/trunk/test/Lexer/string_concat.cpp
> > cfe/trunk/test/Lexer/utf8-char-literal.cpp
> >
> > Modified: cfe/trunk/lib/Lex/Lexer.cpp
> > URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/Lexer.cpp?rev=176780&r1=176779&r2=176780&view=diff
> >
> ==============================================================================
> > --- cfe/trunk/lib/Lex/Lexer.cpp (original)
> > +++ cfe/trunk/lib/Lex/Lexer.cpp Sat Mar 9 17:56:02 2013
> > @@ -1629,7 +1629,8 @@ void Lexer::LexStringLiteral(Token &Resu
> > if (!isLexingRawMode() &&
> > (Kind == tok::utf8_string_literal ||
> > Kind == tok::utf16_string_literal ||
> > - Kind == tok::utf32_string_literal))
> > + Kind == tok::utf32_string_literal) &&
> > + getLangOpts().CPlusPlus)
> > Diag(BufferPtr, diag::warn_cxx98_compat_unicode_literal);
> >
> > char C = getAndAdvanceChar(CurPtr, Result);
> > @@ -1794,7 +1795,8 @@ void Lexer::LexCharConstant(Token &Resul
> > const char *NulCharacter = 0; // Does this character contain the \0
> character?
> >
> > if (!isLexingRawMode() &&
> > - (Kind == tok::utf16_char_constant || Kind ==
> tok::utf32_char_constant))
> > + (Kind == tok::utf16_char_constant || Kind ==
> tok::utf32_char_constant) &&
> > + getLangOpts().CPlusPlus)
> > Diag(BufferPtr, diag::warn_cxx98_compat_unicode_literal);
> >
> > char C = getAndAdvanceChar(CurPtr, Result);
> > @@ -2848,11 +2850,11 @@ LexNextToken:
> > MIOpt.ReadToken();
> > return LexNumericConstant(Result, CurPtr);
> >
> > - case 'u': // Identifier (uber) or C++0x UTF-8 or UTF-16 string
> literal
> > + case 'u': // Identifier (uber) or C11/C++11 UTF-8 or UTF-16 string
> literal
> > // Notify MIOpt that we read a non-whitespace/non-comment token.
> > MIOpt.ReadToken();
> >
> > - if (LangOpts.CPlusPlus11) {
> > + if (LangOpts.CPlusPlus11 || LangOpts.C11) {
> > Char = getCharAndSize(CurPtr, SizeTmp);
> >
> > // UTF-16 string literal
> > @@ -2866,7 +2868,8 @@ LexNextToken:
> > tok::utf16_char_constant);
> >
> > // UTF-16 raw string literal
> > - if (Char == 'R' && getCharAndSize(CurPtr + SizeTmp, SizeTmp2) ==
> '"')
> > + if (Char == 'R' && LangOpts.CPlusPlus11 &&
> > + getCharAndSize(CurPtr + SizeTmp, SizeTmp2) == '"')
> > return LexRawStringLiteral(Result,
> > ConsumeChar(ConsumeChar(CurPtr, SizeTmp,
> Result),
> > SizeTmp2, Result),
> > @@ -2882,7 +2885,7 @@ LexNextToken:
> > SizeTmp2, Result),
> > tok::utf8_string_literal);
> >
> > - if (Char2 == 'R') {
> > + if (Char2 == 'R' && LangOpts.CPlusPlus11) {
> > unsigned SizeTmp3;
> > char Char3 = getCharAndSize(CurPtr + SizeTmp + SizeTmp2,
> SizeTmp3);
> > // UTF-8 raw string literal
> > @@ -2900,11 +2903,11 @@ LexNextToken:
> > // treat u like the start of an identifier.
> > return LexIdentifier(Result, CurPtr);
> >
> > - case 'U': // Identifier (Uber) or C++0x UTF-32 string literal
> > + case 'U': // Identifier (Uber) or C11/C++11 UTF-32 string literal
> > // Notify MIOpt that we read a non-whitespace/non-comment token.
> > MIOpt.ReadToken();
> >
> > - if (LangOpts.CPlusPlus11) {
> > + if (LangOpts.CPlusPlus11 || LangOpts.C11) {
> > Char = getCharAndSize(CurPtr, SizeTmp);
> >
> > // UTF-32 string literal
> > @@ -2918,7 +2921,8 @@ LexNextToken:
> > tok::utf32_char_constant);
> >
> > // UTF-32 raw string literal
> > - if (Char == 'R' && getCharAndSize(CurPtr + SizeTmp, SizeTmp2) ==
> '"')
> > + if (Char == 'R' && LangOpts.CPlusPlus11 &&
> > + getCharAndSize(CurPtr + SizeTmp, SizeTmp2) == '"')
> > return LexRawStringLiteral(Result,
> > ConsumeChar(ConsumeChar(CurPtr, SizeTmp,
> Result),
> > SizeTmp2, Result),
> >
> > Modified: cfe/trunk/test/CodeGen/string-literal.c
> > URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/string-literal.c?rev=176780&r1=176779&r2=176780&view=diff
> >
> ==============================================================================
> > --- cfe/trunk/test/CodeGen/string-literal.c (original)
> > +++ cfe/trunk/test/CodeGen/string-literal.c Sat Mar 9 17:56:02 2013
> > @@ -1,87 +1,107 @@
> > -// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - |
> FileCheck -check-prefix=C %s
> > -// RUN: %clang_cc1 -x c++ -triple i386-unknown-unknown -emit-llvm %s -o
> - | FileCheck -check-prefix=C %s
> > -// RUN: %clang_cc1 -x c++ -std=c++11 -triple i386-unknown-unknown
> -emit-llvm %s -o - | FileCheck -check-prefix=CPP0X %s
> > +// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - |
> FileCheck -check-prefix=CHECK-C %s
> > +// RUN: %clang_cc1 -x c++ -triple i386-unknown-unknown -emit-llvm %s -o
> - | FileCheck -check-prefix=CHECK-C %s
> > +// RUN: %clang_cc1 -x c++ -std=c++11 -triple i386-unknown-unknown
> -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-CXX11 %s
> > +// RUN: %clang_cc1 -x c -std=c11 -triple i386-unknown-unknown
> -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-C11 %s
> >
> > #include <stddef.h>
> >
> > +#ifndef __cplusplus
> > +typedef __WCHAR_TYPE__ wchar_t;
> > +typedef __CHAR16_TYPE__ char16_t;
> > +typedef __CHAR32_TYPE__ char32_t;
> > +#endif
> > +
> > int main() {
> > // CHECK-C: private unnamed_addr constant [10 x i8]
> c"abc\00\00\00\00\00\00\00", align 1
> > - // CHECK-CPP0X: private unnamed_addr constant [10 x i8]
> c"abc\00\00\00\00\00\00\00", align 1
> > + // CHECK-C11: private unnamed_addr constant [10 x i8]
> c"abc\00\00\00\00\00\00\00", align 1
> > + // CHECK-CXX11: private unnamed_addr constant [10 x i8]
> c"abc\00\00\00\00\00\00\00", align 1
> > char a[10] = "abc";
> >
> > // This should convert to utf8.
> > // CHECK-C: private unnamed_addr constant [10 x i8]
> c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
> > - // CHECK-CPP0X: private unnamed_addr constant [10 x i8]
> c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
> > + // CHECK-C11: private unnamed_addr constant [10 x i8]
> c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
> > + // CHECK-CXX11: private unnamed_addr constant [10 x i8]
> c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
> > char b[10] = "\u1120\u0220\U00102030";
> >
> > // CHECK-C: private unnamed_addr constant [3 x i32] [i32 65, i32 66,
> i32 0], align 4
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i32] [i32 65, i32
> 66, i32 0], align 4
> > + // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 65, i32
> 66, i32 0], align 4
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 65, i32
> 66, i32 0], align 4
> > const wchar_t *foo = L"AB";
> >
> > // CHECK-C: private unnamed_addr constant [3 x i32] [i32 4660, i32
> 1110027, i32 0], align 4
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i32] [i32 4660,
> i32 1110027, i32 0], align 4
> > + // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 4660, i32
> 1110027, i32 0], align 4
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 4660,
> i32 1110027, i32 0], align 4
> > const wchar_t *bar = L"\u1234\U0010F00B";
> >
> > // CHECK-C: private unnamed_addr constant [3 x i32] [i32 4660, i32
> 1110028, i32 0], align 4
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i32] [i32 4660,
> i32 1110028, i32 0], align 4
> > + // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 4660, i32
> 1110028, i32 0], align 4
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 4660,
> i32 1110028, i32 0], align 4
> > const wchar_t *baz = L"\u1234" "\U0010F00C";
> >
> > -#if __cplusplus >= 201103L
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i32] [i32 67, i32
> 68, i32 0], align 4
> > +#if __cplusplus >= 201103L || __STDC_VERSION__ >= 201112L
> > + // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 67, i32
> 68, i32 0], align 4
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 67, i32
> 68, i32 0], align 4
> > const char32_t *c = U"CD";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i32] [i32 4661,
> i32 1110028, i32 0], align 4
> > + // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 4661, i32
> 1110028, i32 0], align 4
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 4661,
> i32 1110028, i32 0], align 4
> > const char32_t *d = U"\u1235\U0010F00C";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i32] [i32 4661,
> i32 1110027, i32 0], align 4
> > + // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 4661, i32
> 1110027, i32 0], align 4
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 4661,
> i32 1110027, i32 0], align 4
> > const char32_t *o = "\u1235" U"\U0010F00B";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i16] [i16 69, i16
> 70, i16 0], align 2
> > + // CHECK-C11: private unnamed_addr constant [3 x i16] [i16 69, i16
> 70, i16 0], align 2
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i16] [i16 69, i16
> 70, i16 0], align 2
> > const char16_t *e = u"EF";
> >
> > // This should convert to utf16.
> > - // CHECK-CPP0X: private unnamed_addr constant [5 x i16] [i16 4384,
> i16 544, i16 -9272, i16 -9168, i16 0], align 2
> > + // CHECK-C11: private unnamed_addr constant [5 x i16] [i16 4384, i16
> 544, i16 -9272, i16 -9168, i16 0], align 2
> > + // CHECK-CXX11: private unnamed_addr constant [5 x i16] [i16 4384,
> i16 544, i16 -9272, i16 -9168, i16 0], align 2
> > const char16_t *f = u"\u1120\u0220\U00102030";
> >
> > // This should convert to utf16.
> > - // CHECK-CPP0X: private unnamed_addr constant [5 x i16] [i16 4384,
> i16 800, i16 -9272, i16 -9168, i16 0], align 2
> > + // CHECK-C11: private unnamed_addr constant [5 x i16] [i16 4384, i16
> 800, i16 -9272, i16 -9168, i16 0], align 2
> > + // CHECK-CXX11: private unnamed_addr constant [5 x i16] [i16 4384,
> i16 800, i16 -9272, i16 -9168, i16 0], align 2
> > const char16_t *p = u"\u1120\u0320" "\U00102030";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [4 x i8] c"def\00",
> align 1
> > + // CHECK-C11: private unnamed_addr constant [4 x i8] c"def\00", align
> 1
> > + // CHECK-CXX11: private unnamed_addr constant [4 x i8] c"def\00",
> align 1
> > const char *g = u8"def";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [4 x i8] c"ghi\00",
> align 1
> > +#ifdef __cplusplus
> > + // CHECK-CXX11: private unnamed_addr constant [4 x i8] c"ghi\00",
> align 1
> > const char *h = R"foo(ghi)foo";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [4 x i8] c"jkl\00",
> align 1
> > + // CHECK-CXX11: private unnamed_addr constant [4 x i8] c"jkl\00",
> align 1
> > const char *i = u8R"bar(jkl)bar";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i16] [i16 71, i16
> 72, i16 0], align 2
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i16] [i16 71, i16
> 72, i16 0], align 2
> > const char16_t *j = uR"foo(GH)foo";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i32] [i32 73, i32
> 74, i32 0], align 4
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 73, i32
> 74, i32 0], align 4
> > const char32_t *k = UR"bar(IJ)bar";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [3 x i32] [i32 75, i32
> 76, i32 0], align 4
> > + // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 75, i32
> 76, i32 0], align 4
> > const wchar_t *l = LR"bar(KL)bar";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [9 x i8]
> c"abc\5Cndef\00", align 1
> > + // CHECK-CXX11: private unnamed_addr constant [9 x i8]
> c"abc\5Cndef\00", align 1
> > const char *m = R"(abc\ndef)";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [8 x i8]
> c"abc\0Adef\00", align 1
> > + // CHECK-CXX11: private unnamed_addr constant [8 x i8]
> c"abc\0Adef\00", align 1
> > const char *n = R"(abc
> > def)";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [11 x i8]
> c"abc\0Adefghi\00", align 1
> > + // CHECK-CXX11: private unnamed_addr constant [11 x i8]
> c"abc\0Adefghi\00", align 1
> > const char *q = R"(abc
> > def)" "ghi";
> >
> > - // CHECK-CPP0X: private unnamed_addr constant [13 x i8]
> c"abc\5C\0A??=\0Adef\00", align 1
> > + // CHECK-CXX11: private unnamed_addr constant [13 x i8]
> c"abc\5C\0A??=\0Adef\00", align 1
> > const char *r = R\
> > "(abc\
> > ??=
> > def)";
> >
> > -
> > +#endif
> > #endif
> > }
> >
> > Modified: cfe/trunk/test/Lexer/char-literal.cpp
> > URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/char-literal.cpp?rev=176780&r1=176779&r2=176780&view=diff
> >
> ==============================================================================
> > --- cfe/trunk/test/Lexer/char-literal.cpp (original)
> > +++ cfe/trunk/test/Lexer/char-literal.cpp Sat Mar 9 17:56:02 2013
> > @@ -1,4 +1,11 @@
> > // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11
> -Wfour-char-constants -fsyntax-only -verify %s
> > +// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c11 -x c
> -Wfour-char-constants -fsyntax-only -verify %s
> > +
> > +#ifndef __cplusplus
> > +typedef __WCHAR_TYPE__ wchar_t;
> > +typedef __CHAR16_TYPE__ char16_t;
> > +typedef __CHAR32_TYPE__ char32_t;
> > +#endif
> >
> > int a = 'ab'; // expected-warning {{multi-character character constant}}
> > int b = '\xFF\xFF'; // expected-warning {{multi-character character
> constant}}
> > @@ -7,7 +14,9 @@ int c = 'APPS'; // expected-warning {{mu
> > char d = '⌘'; // expected-error {{character too large for enclosing
> character literal type}}
> > char e = '\u2318'; // expected-error {{character too large for enclosing
> character literal type}}
> >
> > +#ifdef __cplusplus
> > auto f = '\xE2\x8C\x98'; // expected-warning {{multi-character character
> constant}}
> > +#endif
> >
> > char16_t g = u'ab'; // expected-error {{Unicode character literals may
> not contain multiple characters}}
> > char16_t h = u'\U0010FFFD'; // expected-error {{character too large for
> enclosing character literal type}}
> > @@ -24,4 +33,11 @@ char32_t n = U'ab'; // expected-error {{
> > char16_t o = '👽'; // expected-error {{character too large for
> enclosing character literal type}}
> >
> > char16_t p[2] = u"\U0000FFFF";
> > -char16_t q[2] = u"\U00010000"; // expected-error {{too long}}
> > +char16_t q[2] = u"\U00010000";
> > +#ifdef __cplusplus
> > +// expected-error at -2 {{too long}}
> > +#else
> > +// FIXME: The above should be accepted in C11 mode.
> > +// expected-error at -6 {{must be an initializer list}}
> > +// expected-error at -6 {{must be an initializer list}}
> > +#endif
> >
> > Modified: cfe/trunk/test/Lexer/string_concat.cpp
> > URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/string_concat.cpp?rev=176780&r1=176779&r2=176780&view=diff
> >
> ==============================================================================
> > --- cfe/trunk/test/Lexer/string_concat.cpp (original)
> > +++ cfe/trunk/test/Lexer/string_concat.cpp Sat Mar 9 17:56:02 2013
> > @@ -1,33 +1,48 @@
> > // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
> > +// RUN: %clang_cc1 -std=c11 -x c -fsyntax-only -verify %s
> > +
> > +#ifndef __cplusplus
> > +typedef __WCHAR_TYPE__ wchar_t;
> > +typedef __CHAR16_TYPE__ char16_t;
> > +typedef __CHAR32_TYPE__ char32_t;
> > +#endif
> >
> > void f() {
> >
> > const char* a = u8"abc" u"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char* b = u8"abc" U"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char* c = u8"abc" L"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > +#ifdef __cplusplus
> > const char* d = u8"abc" uR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char* e = u8"abc" UR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char* f = u8"abc" LR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > +#endif
> >
> > const char16_t* g = u"abc" u8"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char16_t* h = u"abc" U"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char16_t* i = u"abc" L"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > +#ifdef __cplusplus
> > const char16_t* j = u"abc" u8R"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char16_t* k = u"abc" UR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char16_t* l = u"abc" LR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > +#endif
> >
> > const char32_t* m = U"abc" u8"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char32_t* n = U"abc" u"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char32_t* o = U"abc" L"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > +#ifdef __cplusplus
> > const char32_t* p = U"abc" u8R"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char32_t* q = U"abc" uR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const char32_t* r = U"abc" LR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > +#endif
> >
> > const wchar_t* s = L"abc" u8"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const wchar_t* t = L"abc" u"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const wchar_t* u = L"abc" U"abc"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > +#ifdef __cplusplus
> > const wchar_t* v = L"abc" u8R"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const wchar_t* w = L"abc" uR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > const wchar_t* x = L"abc" UR"(abc)"; // expected-error {{unsupported
> non-standard concatenation of string literals}}
> > +#endif
> > }
> >
> >
> > Modified: cfe/trunk/test/Lexer/utf8-char-literal.cpp
> > URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/utf8-char-literal.cpp?rev=176780&r1=176779&r2=176780&view=diff
> >
> ==============================================================================
> > --- cfe/trunk/test/Lexer/utf8-char-literal.cpp (original)
> > +++ cfe/trunk/test/Lexer/utf8-char-literal.cpp Sat Mar 9 17:56:02 2013
> > @@ -1,4 +1,5 @@
> > // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -fsyntax-only
> -verify %s
> > +// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c11 -x c
> -fsyntax-only -verify %s
> >
> > int array0[u'ñ' == u'\xf1'? 1 : -1];
> > int array1['\xF1' != u'\xf1'? 1 : -1];
> >
> >
> > _______________________________________________
> > cfe-commits mailing list
> > cfe-commits at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>
>
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