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authorDavid Malcolm <dmalcolm@redhat.com>2022-10-13 16:05:35 -0400
committerDavid Malcolm <dmalcolm@redhat.com>2022-10-13 16:05:35 -0400
commit99da523359e9333555585484eb3b8f854a98f1b4 (patch)
treede436be57ef7b1dc08b35086f484553cc410b06b
parentab8477af9949a7e6fcaf89c5f1dcf32788accf88 (diff)
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analyzer: fix ICE introduced in r13-3168 [PR107210]
gcc/analyzer/ChangeLog: PR analyzer/107210 * svalue.cc (constant_svalue::maybe_fold_bits_within): Only attempt to extract individual bits when tree_fits_uhwi_p. gcc/testsuite/ChangeLog: PR analyzer/107210 * gfortran.dg/analyzer/pr107210.f90: New test. Signed-off-by: David Malcolm <dmalcolm@redhat.com>
-rw-r--r--gcc/analyzer/svalue.cc3
-rw-r--r--gcc/testsuite/gfortran.dg/analyzer/pr107210.f9016
2 files changed, 18 insertions, 1 deletions
diff --git a/gcc/analyzer/svalue.cc b/gcc/analyzer/svalue.cc
index a0838c0..4b00a81 100644
--- a/gcc/analyzer/svalue.cc
+++ b/gcc/analyzer/svalue.cc
@@ -884,7 +884,8 @@ constant_svalue::maybe_fold_bits_within (tree type,
if (bits.m_size_in_bits == 1
&& TREE_CODE (m_cst_expr) == INTEGER_CST
&& type
- && INTEGRAL_TYPE_P (type))
+ && INTEGRAL_TYPE_P (type)
+ && tree_fits_uhwi_p (m_cst_expr))
{
unsigned HOST_WIDE_INT bit = bits.m_start_bit_offset.to_uhwi ();
unsigned HOST_WIDE_INT mask = (1 << bit);
diff --git a/gcc/testsuite/gfortran.dg/analyzer/pr107210.f90 b/gcc/testsuite/gfortran.dg/analyzer/pr107210.f90
new file mode 100644
index 0000000..6132db4
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/analyzer/pr107210.f90
@@ -0,0 +1,16 @@
+! { dg-additional-options "-O1" }
+
+subroutine check_int (j)
+ INTEGER(4) :: i, ia(5), ib(5,4), ip, ipa(:)
+ target :: ib
+ POINTER :: ip, ipa
+ logical :: l(5)
+
+ ipa=>ib(2:3,1)
+
+ l = (/ sizeof(i) == 4, sizeof(ia) == 20, sizeof(ib) == 80, &
+ sizeof(ip) == 4, sizeof(ipa) == 8 /)
+
+ if (any(.not.l)) STOP 4
+
+end subroutine check_int