barannikov88 created this revision.
Herald added a project: All.
barannikov88 requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D144100
Files:
clang/lib/Lex/LiteralSupport.cpp
clang/test/Lexer/char-escapes-delimited.c
Index: clang/test/Lexer/char-escapes-delimited.c
===================================================================
--- clang/test/Lexer/char-escapes-delimited.c
+++ clang/test/Lexer/char-escapes-delimited.c
@@ -58,6 +58,8 @@
#if __WCHAR_MAX__ > 0xFFFF
unsigned d = L'\o{37777777777}'; // ext-warning {{extension}} cxx2b-warning
{{C++2b}}
unsigned e = L'\o{40000000000}'; // expected-error {{octal escape sequence
out of range}}
+ unsigned f = L'\o{100000000000}'; // expected-error {{octal escape sequence
out of range}}
+ unsigned g = L'\o{200000000000}'; // expected-error {{octal escape sequence
out of range}}
#else
unsigned d = L'\o{177777}'; // ext-warning {{extension}} cxx2b-warning
{{C++2b}}
unsigned e = L'\o{200000}'; // expected-error {{octal escape sequence out of
range}}
Index: clang/lib/Lex/LiteralSupport.cpp
===================================================================
--- clang/lib/Lex/LiteralSupport.cpp
+++ clang/lib/Lex/LiteralSupport.cpp
@@ -263,7 +263,8 @@
ThisTokBuf++;
continue;
}
- if (ResultChar & 0x020000000)
+ // About to shift out a digit?
+ if (ResultChar & 0xE0000000)
Overflow = true;
ResultChar <<= 3;
Index: clang/test/Lexer/char-escapes-delimited.c
===================================================================
--- clang/test/Lexer/char-escapes-delimited.c
+++ clang/test/Lexer/char-escapes-delimited.c
@@ -58,6 +58,8 @@
#if __WCHAR_MAX__ > 0xFFFF
unsigned d = L'\o{37777777777}'; // ext-warning {{extension}} cxx2b-warning {{C++2b}}
unsigned e = L'\o{40000000000}'; // expected-error {{octal escape sequence out of range}}
+ unsigned f = L'\o{100000000000}'; // expected-error {{octal escape sequence out of range}}
+ unsigned g = L'\o{200000000000}'; // expected-error {{octal escape sequence out of range}}
#else
unsigned d = L'\o{177777}'; // ext-warning {{extension}} cxx2b-warning {{C++2b}}
unsigned e = L'\o{200000}'; // expected-error {{octal escape sequence out of range}}
Index: clang/lib/Lex/LiteralSupport.cpp
===================================================================
--- clang/lib/Lex/LiteralSupport.cpp
+++ clang/lib/Lex/LiteralSupport.cpp
@@ -263,7 +263,8 @@
ThisTokBuf++;
continue;
}
- if (ResultChar & 0x020000000)
+ // About to shift out a digit?
+ if (ResultChar & 0xE0000000)
Overflow = true;
ResultChar <<= 3;
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