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| author | Nicolai Stange <nicstange@gmail.com> | 2016-02-01 03:31:47 +0100 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2017-03-31 02:14:10 +0200 |
| commit | 1b62f0f61f38d8f6881c6ee14da2f9137bd68fc7 (patch) | |
| tree | 2f2596bbdfd95512d57ae0da2dc3c7acc51f9f73 /expression.h | |
| parent | 2919ca4cd57c4633bccf26b01cb2b8c00271446d (diff) | |
| download | sparse-dev-1b62f0f61f38d8f6881c6ee14da2f9137bd68fc7.tar.gz | |
constexpr: examine constness of casts at evaluation only
Move the whole calculation of cast expressions' constness flags to the
evaluation phase such that expressions like
(int)__builtin_choose_expr(0, 0, 0)
can now be recognized as qualifying as integer constant expressions.
Signed-off-by: Nicolai Stange <nicstange@gmail.com>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Diffstat (limited to 'expression.h')
| -rw-r--r-- | expression.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/expression.h b/expression.h index ec94ff4a..c084783c 100644 --- a/expression.h +++ b/expression.h @@ -120,6 +120,13 @@ enum constexpr_flag { CEF_CONST_MASK = (CEF_INT | CEF_FLOAT | CEF_CHAR), }; +/* + * not an integer constant expression => neither of integer, + * enumeration and character constant + */ +#define CEF_CLR_ICE \ + (CEF_ICE | CEF_INT | CEF_ENUM | CEF_CHAR) + enum { Taint_comma = 1, }; /* for expr->taint */ |