From b62e4d7ffe659ec338ef83e84ccb572a07264283 Mon Sep 17 00:00:00 2001 From: marxin Date: Tue, 20 Sep 2016 10:31:25 +0200 Subject: [PATCH 1/4] Fix ASAN bootstrap uninitialized warning. gcc/ChangeLog: 2016-09-26 Martin Liska * ipa-devirt.c (record_targets_from_bases): Initialize a variable. * omp-low.c (lower_omp_target): Remove a variable from scope defined by a switch statement. * tree-dump.c (dequeue_and_dump): Likewise. gcc/java/ChangeLog: 2016-09-26 Martin Liska * mangle.c (mangle_type): Remove a variable from scope defined by a switch statement. --- gcc/ipa-devirt.c | 2 +- gcc/omp-low.c | 11 ++++------- gcc/tree-dump.c | 8 +++----- 3 files changed, 8 insertions(+), 13 deletions(-) diff --git a/gcc/ipa-devirt.c b/gcc/ipa-devirt.c index 49e2195..5c0ae72 100644 --- a/gcc/ipa-devirt.c +++ b/gcc/ipa-devirt.c @@ -2862,7 +2862,7 @@ record_targets_from_bases (tree otr_type, { while (true) { - HOST_WIDE_INT pos, size; + HOST_WIDE_INT pos = 0, size; tree base_binfo; tree fld; diff --git a/gcc/omp-low.c b/gcc/omp-low.c index e5b9e4c..62c9e5c 100644 --- a/gcc/omp-low.c +++ b/gcc/omp-low.c @@ -15803,11 +15803,10 @@ lower_omp_target (gimple_stmt_iterator *gsi_p, omp_context *ctx) push_gimplify_context (); fplist = NULL; + tree var, x; for (c = clauses; c ; c = OMP_CLAUSE_CHAIN (c)) switch (OMP_CLAUSE_CODE (c)) { - tree var, x; - default: break; case OMP_CLAUSE_MAP: @@ -16066,12 +16065,11 @@ lower_omp_target (gimple_stmt_iterator *gsi_p, omp_context *ctx) vec_alloc (vkind, map_cnt); unsigned int map_idx = 0; + tree ovar, nc, s, purpose, var, x, type; + unsigned int talign; for (c = clauses; c ; c = OMP_CLAUSE_CHAIN (c)) switch (OMP_CLAUSE_CODE (c)) { - tree ovar, nc, s, purpose, var, x, type; - unsigned int talign; - default: break; @@ -16442,10 +16440,10 @@ lower_omp_target (gimple_stmt_iterator *gsi_p, omp_context *ctx) if (offloaded || data_region) { tree prev = NULL_TREE; + tree var, x; for (c = clauses; c ; c = OMP_CLAUSE_CHAIN (c)) switch (OMP_CLAUSE_CODE (c)) { - tree var, x; default: break; case OMP_CLAUSE_FIRSTPRIVATE: @@ -16594,7 +16592,6 @@ lower_omp_target (gimple_stmt_iterator *gsi_p, omp_context *ctx) for (c = clauses; c; c = OMP_CLAUSE_CHAIN (c)) switch (OMP_CLAUSE_CODE (c)) { - tree var; default: break; case OMP_CLAUSE_MAP: diff --git a/gcc/tree-dump.c b/gcc/tree-dump.c index df47181..89f72a0 100644 --- a/gcc/tree-dump.c +++ b/gcc/tree-dump.c @@ -420,8 +420,6 @@ dequeue_and_dump (dump_info_p di) /* Now handle the various kinds of nodes. */ switch (code) { - int i; - case IDENTIFIER_NODE: dump_string_field (di, "strg", IDENTIFIER_POINTER (t)); dump_int (di, "lngt", IDENTIFIER_LENGTH (t)); @@ -435,6 +433,7 @@ dequeue_and_dump (dump_info_p di) case STATEMENT_LIST: { + int i; tree_stmt_iterator it; for (i = 0, it = tsi_start (t); !tsi_end_p (it); tsi_next (&it), i++) { @@ -447,7 +446,7 @@ dequeue_and_dump (dump_info_p di) case TREE_VEC: dump_int (di, "lngt", TREE_VEC_LENGTH (t)); - for (i = 0; i < TREE_VEC_LENGTH (t); ++i) + for (int i = 0; i < TREE_VEC_LENGTH (t); ++i) { char buffer[32]; sprintf (buffer, "%u", i); @@ -707,9 +706,8 @@ dequeue_and_dump (dump_info_p di) break; case OMP_CLAUSE: { - int i; fprintf (di->stream, "%s\n", omp_clause_code_name[OMP_CLAUSE_CODE (t)]); - for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (t)]; i++) + for (int i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (t)]; i++) dump_child ("op: ", OMP_CLAUSE_OPERAND (t, i)); } break; -- 2.10.1