re PR tree-optimization/91074 (c-c++-common/gomp/scan-3.c fails with ICE starting...

	PR tree-optimization/91074
	* omp-low.c (lower_omp_for_scan): Set DECL_GIMPLE_REG_P on cplx
	temporary.

From-SVN: r273037

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2cfc446..8aed90a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2019-07-04  Jakub Jelinek  <jakub@redhat.com>
 
+       PR tree-optimization/91074
+       * omp-low.c (lower_omp_for_scan): Set DECL_GIMPLE_REG_P on cplx
+       temporary.
+
        PR rtl-optimization/90756
        * explow.c (promote_ssa_mode): Always use TYPE_MODE, don't bypass it
        for VECTOR_TYPE_P.

diff --git a/gcc/omp-low.c b/gcc/omp-low.c
index 98a9df5..6e5b532 100644 (file)
--- a/gcc/omp-low.c
+++ b/gcc/omp-low.c
@@ -9699,6 +9699,7 @@ lower_omp_for_scan (gimple_seq *body_p, gimple_seq *dlist, gomp_for *stmt,
   gimple_seq_add_stmt (body_p, g);
 
   tree cplx = create_tmp_var (build_complex_type (unsigned_type_node, false));
+  DECL_GIMPLE_REG_P (cplx) = 1;
   g = gimple_build_call_internal (IFN_MUL_OVERFLOW, 2, thread_nump1, twok);
   gimple_call_set_lhs (g, cplx);
   gimple_seq_add_stmt (body_p, g);