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e0ac46e69d
This reverts commit d618f1c3b1.
This commit wasn't reviewed ahead of time and significant concerns were
raised immediately after it landed. According to our developer policy
this warrants immediate revert of the commit.
https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy
Differential Revision: https://reviews.llvm.org/D155509
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify -Wfour-char-constants -pedantic -ftrigraphs %s
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int x = 000000080; // expected-error {{invalid digit}}
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int y = 0000\
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00080; // expected-error {{invalid digit}}
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float X = 1.17549435e-38F;
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float Y = 08.123456;
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// PR2252
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#if -0x8000000000000000 // should not warn.
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#endif
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#if -01000000000000000000000 // should not warn.
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#endif
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#if 9223372036854775808 // expected-warning {{integer literal is too large to be represented in a signed integer type, interpreting as unsigned}}
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#endif
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#if 0x10000000000000000 // expected-error {{integer literal is too large to be represented in any integer type}}
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#endif
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int c[] = {
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'df', // expected-warning {{multi-character character constant}}
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'\t',
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'\\
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t',
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'??!', // expected-warning {{trigraph converted to '|' character}}
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'abcd' // expected-warning {{multi-character character constant}}
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};
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// PR4499
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int m0 = '0';
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int m1 = '\\\''; // expected-warning {{multi-character character constant}}
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int m2 = '\\\\'; // expected-warning {{multi-character character constant}}
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int m3 = '\\\
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';
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#pragma clang diagnostic ignored "-Wmultichar"
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int d = 'df'; // no warning.
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int e = 'abcd'; // still warn: expected-warning {{multi-character character constant}}
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#pragma clang diagnostic ignored "-Wfour-char-constants"
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int f = 'abcd'; // ignored.
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// rdar://problem/6974641
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float t0[] = {
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1.9e20f,
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1.9e-20f,
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1.9e50f, // expected-warning {{too large}}
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1.9e-50f, // expected-warning {{too small}}
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-1.9e20f,
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-1.9e-20f,
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-1.9e50f, // expected-warning {{too large}}
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-1.9e-50f // expected-warning {{too small}}
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};
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double t1[] = {
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1.9e50,
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1.9e-50,
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1.9e500, // expected-warning {{too large}}
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1.9e-500, // expected-warning {{too small}}
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-1.9e50,
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-1.9e-50,
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-1.9e500, // expected-warning {{too large}}
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-1.9e-500 // expected-warning {{too small}}
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};
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// PR7888
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double g = 1e100000000; // expected-warning {{too large}}
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char h = '\u1234'; // expected-error {{character too large for enclosing character literal type}}
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