dde2a94c09
* gnu/packages/patches/icecat-CVE-2016-2805.patch, gnu/packages/patches/icecat-CVE-2016-2807-pt1.patch, gnu/packages/patches/icecat-CVE-2016-2807-pt2.patch, gnu/packages/patches/icecat-CVE-2016-2807-pt3.patch, gnu/packages/patches/icecat-CVE-2016-2807-pt4.patch, gnu/packages/patches/icecat-CVE-2016-2807-pt5.patch, gnu/packages/patches/icecat-CVE-2016-2808.patch, gnu/packages/patches/icecat-CVE-2016-2814.patch, gnu/packages/patches/icecat-update-bundled-graphite2: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/gnuzilla.scm (icecat)[source]: Add patches. icecat fixup
70 lines
2.7 KiB
Diff
70 lines
2.7 KiB
Diff
Copied from https://hg.mozilla.org/releases/mozilla-esr38/raw-rev/3d2b62083a6a
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# HG changeset patch
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# User Shu-yu Guo <shu@rfrn.org>
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# Date 1459741387 -7200
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# Node ID 3d2b62083a6a4fb43cb330d77142f9dce0959a23
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# Parent 9d4364f6b55c6ee65c13c491292c3abe1ee2c993
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Bug 1254164 - Make aliasedBodyLevelLexicalBegin a uint32. r=Waldo, a=ritu
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diff --git a/js/src/jit-test/tests/parser/bug-1254164.js b/js/src/jit-test/tests/parser/bug-1254164.js
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new file mode 100644
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--- /dev/null
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+++ b/js/src/jit-test/tests/parser/bug-1254164.js
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@@ -0,0 +1,6 @@
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+// |jit-test| slow;
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+
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+var s = '';
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+for (var i = 0; i < 70000; i++)
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+ s += 'function x' + i + '() { x' + i + '(); }\n';
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+eval("(function() { " + s + " })();");
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diff --git a/js/src/jsscript.cpp b/js/src/jsscript.cpp
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--- a/js/src/jsscript.cpp
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+++ b/js/src/jsscript.cpp
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@@ -111,17 +111,20 @@ Bindings::initWithTemporaryStorage(Exclu
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// JITs when interpreting/compiling aliasedvar ops.)
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// Since unaliased variables are, by definition, only accessed by local
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// operations and never through the scope chain, only give shapes to
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// aliased variables. While the debugger may observe any scope object at
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// any time, such accesses are mediated by DebugScopeProxy (see
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// DebugScopeProxy::handleUnaliasedAccess).
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uint32_t nslots = CallObject::RESERVED_SLOTS;
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- uint32_t aliasedBodyLevelLexicalBegin = UINT16_MAX;
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+
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+ // Unless there are aliased body-level lexical bindings at all, set the
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+ // begin index to an impossible slot number.
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+ uint32_t aliasedBodyLevelLexicalBegin = LOCALNO_LIMIT;
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for (BindingIter bi(self); bi; bi++) {
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if (bi->aliased()) {
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// Per ES6, lexical bindings cannot be accessed until
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// initialized. Remember the first aliased slot that is a
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// body-level lexical, so that they may be initialized to sentinel
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// magic values.
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if (numBodyLevelLexicals > 0 &&
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nslots < aliasedBodyLevelLexicalBegin &&
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diff --git a/js/src/jsscript.h b/js/src/jsscript.h
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--- a/js/src/jsscript.h
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+++ b/js/src/jsscript.h
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@@ -201,18 +201,18 @@ class Bindings
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friend class BindingIter;
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friend class AliasedFormalIter;
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RelocatablePtrShape callObjShape_;
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uintptr_t bindingArrayAndFlag_;
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uint16_t numArgs_;
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uint16_t numBlockScoped_;
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uint16_t numBodyLevelLexicals_;
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- uint16_t aliasedBodyLevelLexicalBegin_;
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uint16_t numUnaliasedBodyLevelLexicals_;
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+ uint32_t aliasedBodyLevelLexicalBegin_;
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uint32_t numVars_;
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uint32_t numUnaliasedVars_;
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#if JS_BITS_PER_WORD == 32
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// Bindings is allocated inline inside JSScript, which needs to be
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// gc::Cell aligned.
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uint32_t padding_;
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#endif
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