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authorGaming4JC <g4jc@hyperbola.info>2019-07-14 21:41:35 -0400
committerGaming4JC <g4jc@hyperbola.info>2019-07-18 22:38:48 -0400
commit28c5b8c0589d7548382d205de8df03b42b32ccc7 (patch)
tree43fe7f1a36b68418f193792449f5e799606578b3 /js/src/jit
parent076ad08ac6f001626e63bc382d3b3d709f692a68 (diff)
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1344334 - Make DoTypeUpdateFallback infallible.
Diffstat (limited to 'js/src/jit')
-rw-r--r--js/src/jit/BaselineIC.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/js/src/jit/BaselineIC.cpp b/js/src/jit/BaselineIC.cpp
index 8a7c68e59..a001357f8 100644
--- a/js/src/jit/BaselineIC.cpp
+++ b/js/src/jit/BaselineIC.cpp
@@ -323,7 +323,14 @@ DoTypeUpdateFallback(JSContext* cx, BaselineFrame* frame, ICUpdatedStub* stub, H
MOZ_CRASH("Invalid stub");
}
- return stub->addUpdateStubForValue(cx, script /* = outerScript */, obj, id, value);
+ if (!stub->addUpdateStubForValue(cx, script /* = outerScript */, obj, id, value)) {
+ // The calling JIT code assumes this function is infallible (for
+ // instance we may reallocate dynamic slots before calling this),
+ // so ignore OOMs if we failed to attach a stub.
+ cx->recoverFromOutOfMemory();
+ }
+
+ return true;
}
typedef bool (*DoTypeUpdateFallbackFn)(JSContext*, BaselineFrame*, ICUpdatedStub*, HandleValue,