Update V8 to version 4.1.0.21
This is a cherry-pick of all commits up to and including the
4.1.0.21 cherry-pick in Chromium.
Original commit message:
Version 4.1.0.21 (cherry-pick)
Merged 206e9136bde0f2b5ae8cb77afbb1e7833e5bd412
Unlink pages from the space page list after evacuation.
BUG=430201
LOG=N
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/953813002
Cr-Commit-Position: refs/branch-heads/4.1@{#22}
Cr-Branched-From: 2e08d2a7aa9d65d269d8c57aba82eb38a8cb0a18-refs/heads/candidates@{#25353}
---
FPIIM-449
Change-Id: I8c23c7bbb70772b4858fe8a47b64fa97ee0d1f8c
diff --git a/src/base/build_config.h b/src/base/build_config.h
index 2bf57c9..f528776 100644
--- a/src/base/build_config.h
+++ b/src/base/build_config.h
@@ -29,6 +29,10 @@
#define V8_HOST_ARCH_64_BIT 1
#endif
#endif // __native_client__
+#elif defined(__pnacl__)
+// PNaCl is also ILP-32.
+#define V8_HOST_ARCH_IA32 1
+#define V8_HOST_ARCH_32_BIT 1
#elif defined(_M_IX86) || defined(__i386__)
#define V8_HOST_ARCH_IA32 1
#define V8_HOST_ARCH_32_BIT 1