diff options
| -rw-r--r-- | src/core/SkArenaAlloc.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/core/SkArenaAlloc.cpp b/src/core/SkArenaAlloc.cpp index 90b703721e..95f07da9eb 100644 --- a/src/core/SkArenaAlloc.cpp +++ b/src/core/SkArenaAlloc.cpp @@ -68,6 +68,9 @@ void SkArenaAlloc::reset() { void SkArenaAlloc::installFooter(FooterAction* action, uint32_t padding) { SkASSERT(padding < 64); int64_t actionInt = (int64_t)(intptr_t)action; + + // The top 14 bits should be either all 0s or all 1s. Check this. + SkASSERT((actionInt << 6) >> 6 == actionInt); Footer encodedFooter = (actionInt << 6) | padding; memmove(fCursor, &encodedFooter, sizeof(Footer)); fCursor += sizeof(Footer); |