fix: correct exception handling class check

[brianheineman]

No description provided.

[github-actions]

Bencher Report

Branch	correct-exception-hanlding
Testbed	localhost

⚠️ WARNING: No Threshold found!

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• Latency (nanoseconds (ns))

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Benchmark	Latency	nanoseconds (ns)
from_bytes	📈 view plot ⚠️ NO THRESHOLD	26,127.00
load_hash_map	📈 view plot ⚠️ NO THRESHOLD	29,544.00
load_invalid_class	📈 view plot ⚠️ NO THRESHOLD	28,564.00
runtime_v11	📈 view plot ⚠️ NO THRESHOLD	30,196,000.00
runtime_v17	📈 view plot ⚠️ NO THRESHOLD	27,805,000.00
runtime_v21	📈 view plot ⚠️ NO THRESHOLD	30,518,000.00
runtime_v8	📈 view plot ⚠️ NO THRESHOLD	19,201,000.00
to_bytes	📈 view plot ⚠️ NO THRESHOLD	20,594.00
to_string	📈 view plot ⚠️ NO THRESHOLD	124,930.00
verify	📈 view plot ⚠️ NO THRESHOLD	947.99

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 76.06%. Comparing base (6145f8d) to head (f954523).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
ristretto_vm/src/instruction/exception.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #182   +/-   ##
=======================================
  Coverage   76.06%   76.06%           
=======================================
  Files         527      527           
  Lines       46585    46585           
=======================================
  Hits        35433    35433           
  Misses      11152    11152           

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