runtime/vm/flow_graph_compiler_ia32.cc - Issue 15743017: Adds a flag to the standalone vm to throw an exception on 53-bit integer overflow.

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Unified Diff: runtime/vm/flow_graph_compiler_ia32.cc

Issue 15743017: Adds a flag to the standalone vm to throw an exception on 53-bit integer overflow. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 7 years, 6 months ago

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Index: runtime/vm/flow_graph_compiler_ia32.cc

===================================================================

--- runtime/vm/flow_graph_compiler_ia32.cc (revision 23635)

+++ runtime/vm/flow_graph_compiler_ia32.cc (working copy)

@@ -28,6 +28,7 @@

DECLARE_FLAG(bool, print_scopes);

DECLARE_FLAG(bool, enable_type_checks);

DECLARE_FLAG(bool, eliminate_type_checks);

+DECLARE_FLAG(bool, throw_on_javascript_int_overflow);

FlowGraphCompiler::~FlowGraphCompiler() {

@@ -42,7 +43,8 @@

bool FlowGraphCompiler::SupportsUnboxedMints() {

// Support unboxed mints when SSE 4.1 is available.

- return FLAG_unbox_mints && CPUFeatures::sse4_1_supported();

+ return FLAG_unbox_mints && CPUFeatures::sse4_1_supported() &&

+ !FLAG_throw_on_javascript_int_overflow;

}

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