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Implement -Wimplicit-fallthrough.

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Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r240485
This commit is contained in:
Marek Polacek
2016-09-26 09:42:50 +00:00
committed by Marek Polacek
parent 392fa55c79
commit 81fea426da
83 changed files with 4005 additions and 46 deletions
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4
libcpp/include/cpplib.h
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@@ -185,7 +185,8 @@ struct GTY(()) cpp_string {
#define STRINGIFY_ARG (1 << 2) /* If macro argument to be stringified. */
#define PASTE_LEFT (1 << 3) /* If on LHS of a ## operator. */
#define NAMED_OP (1 << 4) /* C++ named operators. */
#define NO_EXPAND (1 << 5) /* Do not macro-expand this token. */
#define PREV_FALLTHROUGH (1 << 5) /* On a token preceeded by FALLTHROUGH
comment. */
#define BOL (1 << 6) /* Token at beginning of line. */
#define PURE_ZERO (1 << 7) /* Single 0 digit, used by the C++ frontend,
set in c-lex.c. */
@@ -193,6 +194,7 @@ struct GTY(()) cpp_string {
#define SP_PREV_WHITE (1 << 9) /* If whitespace before a ##
operator, or before this token
after a # operator. */
#define NO_EXPAND (1 << 10) /* Do not macro-expand this token. */
/* Specify which field, if any, of the cpp_token union is used. */