fix c++ test

Author: wsmoses

enzyme/test/Integration/ReverseMode/blas_runtime.cpp

@@ -2,7 +2,7 @@
 // a clang plugin properly without segfaulting on exit. This is fine on Ubuntu 20.04 or later LLVM versions...
 // RUN: if [ %llvmver -ge 12 ]; then %clang++ -fno-exceptions -std=c++11 -O1 %s -S -emit-llvm -o - %loadClangEnzyme -mllvm -enzyme-lapack-copy=1 -mllvm -enzyme-runtime-activity | %lli -; fi
 // RUN: if [ %llvmver -ge 12 ]; then %clang++ -fno-exceptions -std=c++11 -O2 %s -S -emit-llvm -o - %loadClangEnzyme -mllvm -enzyme-lapack-copy=1 -mllvm -enzyme-runtime-activity  | %lli -; fi
-// RUN: %clang++ -fno-exceptions -std=c++11 -O3 %s -S -emit-llvm -o - %loadClangEnzyme  -mllvm -enzyme-lapack-copy=1 -mllvm -enzyme-runtime-activity |  %lli -; fi
+// RUN: if [ %llvmver -ge 12 ]; then %clang++ -fno-exceptions -std=c++11 -O3 %s -S -emit-llvm -o - %loadClangEnzyme  -mllvm -enzyme-lapack-copy=1 -mllvm -enzyme-runtime-activity |  %lli -; fi
 // RUN: if [ %llvmver -ge 12 ]; then %clang++ -fno-exceptions -std=c++11 -O1 %s -S -emit-llvm -o - %loadClangEnzyme -mllvm -enzyme-inline=1 -mllvm -enzyme-lapack-copy=1 -mllvm -enzyme-runtime-activity -S | %lli -; fi
 // RUN: if [ %llvmver -ge 12 ]; then %clang++ -fno-exceptions -std=c++11 -O2 %s -S -emit-llvm -o - %loadClangEnzyme -mllvm -enzyme-inline=1 -mllvm -enzyme-lapack-copy=1 -mllvm -enzyme-runtime-activity -S | %lli -; fi
 // RUN: if [ %llvmver -ge 12 ]; then %clang++ -fno-exceptions -std=c++11 -O3 %s -S -emit-llvm -o - %loadClangEnzyme -mllvm -enzyme-inline=1 -mllvm -enzyme-lapack-copy=1 -mllvm -enzyme-runtime-activity  -S | %lli -; fi