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Unified Diff: src/crankshaft/arm64/lithium-arm64.cc

Issue 1849503002: [crankshaft] [turbofan] Fix environment handling when generating a tail call from inlined function. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 9 months ago
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Index: src/crankshaft/arm64/lithium-arm64.cc
diff --git a/src/crankshaft/arm64/lithium-arm64.cc b/src/crankshaft/arm64/lithium-arm64.cc
index b25d3c3aac92bb8ea8520ae4ac5986787039af40..85ce459f8d8c8c0deead64adf8a499342cd13429 100644
--- a/src/crankshaft/arm64/lithium-arm64.cc
+++ b/src/crankshaft/arm64/lithium-arm64.cc
@@ -720,10 +720,12 @@ void LChunkBuilder::AddInstruction(LInstruction* instr,
DCHECK_NOT_NULL(hydrogen_env);
if (instr->IsSyntacticTailCall()) {
// If it was a syntactic tail call we need to drop the current frame and
- // an arguments adaptor frame on top of it (if the latter is present).
+ // all the frames on top of it that are either an arguments adaptor frame
+ // or a tail caller frame.
hydrogen_env = hydrogen_env->outer();
- if (hydrogen_env != nullptr &&
- hydrogen_env->frame_type() == ARGUMENTS_ADAPTOR) {
+ while (hydrogen_env != nullptr &&
+ (hydrogen_env->frame_type() == ARGUMENTS_ADAPTOR ||
+ hydrogen_env->frame_type() == TAIL_CALLER_FUNCTION)) {
hydrogen_env = hydrogen_env->outer();
}
if (hydrogen_env != nullptr) {
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