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| author | Stanislav Malyshev <stas@php.net> | 2019-03-05 13:25:21 -0800 |
|---|---|---|
| committer | Stanislav Malyshev <stas@php.net> | 2019-03-06 00:50:09 -0800 |
| commit | db777e9199a94f95416ea16baf82a7d10a0bbe51 (patch) | |
| tree | dddcdc2fc9fa6bc55c68cbfa15e921651c16d216 /ext | |
| parent | f651397b1f874a09a7d3885a7463cdf8ea6eafa7 (diff) | |
| download | php-git-db777e9199a94f95416ea16baf82a7d10a0bbe51.tar.gz | |
Fix shifting signed values too far
Signed shift of 31 for int and 63 for long is flagged as undefined
behavior by UBSan (-fsanitize=undefined) and seems to be indeed so
according to the standard.
The patch converts such cases to use unsigned.
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/opcache/Optimizer/zend_cfg.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ext/opcache/Optimizer/zend_cfg.h b/ext/opcache/Optimizer/zend_cfg.h index 19a30ad40b..7d6ef25eee 100644 --- a/ext/opcache/Optimizer/zend_cfg.h +++ b/ext/opcache/Optimizer/zend_cfg.h @@ -35,7 +35,7 @@ #define ZEND_BB_LOOP_HEADER (1<<16) #define ZEND_BB_IRREDUCIBLE_LOOP (1<<17) -#define ZEND_BB_REACHABLE (1<<31) +#define ZEND_BB_REACHABLE (1U<<31) #define ZEND_BB_PROTECTED (ZEND_BB_ENTRY|ZEND_BB_RECV_ENTRY|ZEND_BB_TRY|ZEND_BB_CATCH|ZEND_BB_FINALLY|ZEND_BB_FINALLY_END|ZEND_BB_UNREACHABLE_FREE) @@ -92,7 +92,7 @@ typedef struct _zend_cfg { } zend_cfg; /* Build Flags */ -#define ZEND_RT_CONSTANTS (1<<31) +#define ZEND_RT_CONSTANTS (1U<<31) #define ZEND_CFG_STACKLESS (1<<30) #define ZEND_SSA_DEBUG_LIVENESS (1<<29) #define ZEND_SSA_DEBUG_PHI_PLACEMENT (1<<28) |