diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/opt/pr36449.C')
-rw-r--r-- | gcc/testsuite/g++.dg/opt/pr36449.C | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr36449.C b/gcc/testsuite/g++.dg/opt/pr36449.C new file mode 100644 index 000000000..f66598040 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/pr36449.C @@ -0,0 +1,70 @@ +// PR middle-end/36449 +// { dg-do run } +// { dg-options "-O3" } + +extern "C" void exit (int); +extern "C" void abort (); + +struct R +{ + short a; + short b; +}; + +struct S +{ + R e; + long f; + long g; +}; + +struct T +{ + short c; + short d; +}; + +struct U +{ + long h[0x1ffffff + 1]; + T i; +}; + +U *j; + +void __attribute__((noinline)) +bar () +{ + exit (0); +} + +void __attribute__((noinline)) +foo () +{ + S s; + + s.e.a = 36; + s.e.b = 38; + if (s.e.a == j->i.c && s.e.b == j->i.d) + bar (); +} + +int +main () +{ + try + { + j = new U; + } + catch (...) + { + return 0; + } + j->i.c = 36; + j->i.d = 38; + j->h[0] = 1; + j->h[1] = 2; + j->h[2] = 3; + foo (); + abort (); +} |