runtime/platform/globals.h - Issue 1149943009: Shrink some fields and add some bounds checks.

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Unified Diff: runtime/platform/globals.h

Issue 1149943009: Shrink some fields and add some bounds checks. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master

Patch Set: Created 5 years, 6 months ago

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Index: runtime/platform/globals.h

diff --git a/runtime/platform/globals.h b/runtime/platform/globals.h

index c4343b5b6de3cd24d8edfbaaf0535648ce9fcc5c..679dad14d3ac5f981597a8daf1feb5cd4c5528d1 100644

--- a/runtime/platform/globals.h

+++ b/runtime/platform/globals.h

@@ -341,6 +341,9 @@ const int64_t kSignBitDouble = DART_INT64_C(0x8000000000000000);

typedef intptr_t word;

typedef uintptr_t uword;

+// Size of a class id. We may make this 32-bit on 64-bit architectures.

+typedef uint16_t classid_t;

// Byte sizes.

const int kWordSize = sizeof(word);

const int kDoubleSize = sizeof(double); // NOLINT

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